From 354e6f72d6fd5d3d2963efe030265972866cd969 Mon Sep 17 00:00:00 2001 From: eric miao Date: Fri, 25 Jun 2010 09:46:09 +0100 Subject: ARM: 6197/2: preliminary support for sparse IRQ So to allow NR_IRQS to be dynamic and platforms to specify the number of IRQs really needed. Acked-by: Paul Mundt Signed-off-by: Eric Miao Signed-off-by: Russell King --- arch/arm/include/asm/irq.h | 2 ++ arch/arm/include/asm/mach/arch.h | 1 + arch/arm/include/asm/mach/irq.h | 1 + 3 files changed, 4 insertions(+) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h index 237282f7c76..2721a5814cb 100644 --- a/arch/arm/include/asm/irq.h +++ b/arch/arm/include/asm/irq.h @@ -7,6 +7,8 @@ #define irq_canonicalize(i) (i) #endif +#define NR_IRQS_LEGACY 16 + /* * Use this value to indicate lack of interrupt * capability diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h index c59842dc7cb..5ee6f85236a 100644 --- a/arch/arm/include/asm/mach/arch.h +++ b/arch/arm/include/asm/mach/arch.h @@ -20,6 +20,7 @@ struct machine_desc { * by assembler code in head.S, head-common.S */ unsigned int nr; /* architecture number */ + unsigned int nr_irqs; /* number of IRQs */ unsigned int phys_io; /* start of physical io */ unsigned int io_pg_offst; /* byte offset for io * page tabe entry */ diff --git a/arch/arm/include/asm/mach/irq.h b/arch/arm/include/asm/mach/irq.h index 8920b2d6e3b..ce3eee9fe26 100644 --- a/arch/arm/include/asm/mach/irq.h +++ b/arch/arm/include/asm/mach/irq.h @@ -17,6 +17,7 @@ struct seq_file; /* * This is internal. Do not use it. */ +extern unsigned int arch_nr_irqs; extern void (*init_arch_irq)(void); extern void init_FIQ(void); extern int show_fiq_list(struct seq_file *, void *); -- cgit v1.2.3-70-g09d2 From e513f8bf240d34bd6e732ba2f74df9ab84686ce6 Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Fri, 25 Jun 2010 12:24:53 +0100 Subject: ARM: 6199/1: Add kprobe-based event tracer This patch enables the HAVE_REGS_AND_STACK_ACCESS_API option for ARM which is required by the kprobe events tracer. Code based on the PowerPC port. Cc: Jean Pihet Tested-by: Jamie Iles Signed-off-by: Will Deacon Signed-off-by: Russell King --- arch/arm/Kconfig | 1 + arch/arm/include/asm/ptrace.h | 36 ++++++++++++++++ arch/arm/kernel/ptrace.c | 96 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 133 insertions(+) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 9a0ed364d4f..aa738aa70c7 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -24,6 +24,7 @@ config ARM select HAVE_KERNEL_LZMA select HAVE_PERF_EVENTS select PERF_USE_VMALLOC + select HAVE_REGS_AND_STACK_ACCESS_API help The ARM series is a line of low-power-consumption RISC chip designs licensed by ARM Ltd and targeted at embedded applications and diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h index 9dcb11e5902..c974be8913a 100644 --- a/arch/arm/include/asm/ptrace.h +++ b/arch/arm/include/asm/ptrace.h @@ -184,6 +184,42 @@ extern unsigned long profile_pc(struct pt_regs *regs); #define predicate(x) ((x) & 0xf0000000) #define PREDICATE_ALWAYS 0xe0000000 +/* + * kprobe-based event tracer support + */ +#include +#include +#define MAX_REG_OFFSET (offsetof(struct pt_regs, ARM_ORIG_r0)) + +extern int regs_query_register_offset(const char *name); +extern const char *regs_query_register_name(unsigned int offset); +extern bool regs_within_kernel_stack(struct pt_regs *regs, unsigned long addr); +extern unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, + unsigned int n); + +/** + * regs_get_register() - get register value from its offset + * @regs: pt_regs from which register value is gotten + * @offset: offset number of the register. + * + * regs_get_register returns the value of a register whose offset from @regs. + * The @offset is the offset of the register in struct pt_regs. + * If @offset is bigger than MAX_REG_OFFSET, this returns 0. + */ +static inline unsigned long regs_get_register(struct pt_regs *regs, + unsigned int offset) +{ + if (unlikely(offset > MAX_REG_OFFSET)) + return 0; + return *(unsigned long *)((unsigned long)regs + offset); +} + +/* Valid only for Kernel mode traps. */ +static inline unsigned long kernel_stack_pointer(struct pt_regs *regs) +{ + return regs->ARM_sp; +} + #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 3f562a7c0a9..f99d489822d 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -52,6 +52,102 @@ #define BREAKINST_THUMB 0xde01 #endif +struct pt_regs_offset { + const char *name; + int offset; +}; + +#define REG_OFFSET_NAME(r) \ + {.name = #r, .offset = offsetof(struct pt_regs, ARM_##r)} +#define REG_OFFSET_END {.name = NULL, .offset = 0} + +static const struct pt_regs_offset regoffset_table[] = { + REG_OFFSET_NAME(r0), + REG_OFFSET_NAME(r1), + REG_OFFSET_NAME(r2), + REG_OFFSET_NAME(r3), + REG_OFFSET_NAME(r4), + REG_OFFSET_NAME(r5), + REG_OFFSET_NAME(r6), + REG_OFFSET_NAME(r7), + REG_OFFSET_NAME(r8), + REG_OFFSET_NAME(r9), + REG_OFFSET_NAME(r10), + REG_OFFSET_NAME(fp), + REG_OFFSET_NAME(ip), + REG_OFFSET_NAME(sp), + REG_OFFSET_NAME(lr), + REG_OFFSET_NAME(pc), + REG_OFFSET_NAME(cpsr), + REG_OFFSET_NAME(ORIG_r0), + REG_OFFSET_END, +}; + +/** + * regs_query_register_offset() - query register offset from its name + * @name: the name of a register + * + * regs_query_register_offset() returns the offset of a register in struct + * pt_regs from its name. If the name is invalid, this returns -EINVAL; + */ +int regs_query_register_offset(const char *name) +{ + const struct pt_regs_offset *roff; + for (roff = regoffset_table; roff->name != NULL; roff++) + if (!strcmp(roff->name, name)) + return roff->offset; + return -EINVAL; +} + +/** + * regs_query_register_name() - query register name from its offset + * @offset: the offset of a register in struct pt_regs. + * + * regs_query_register_name() returns the name of a register from its + * offset in struct pt_regs. If the @offset is invalid, this returns NULL; + */ +const char *regs_query_register_name(unsigned int offset) +{ + const struct pt_regs_offset *roff; + for (roff = regoffset_table; roff->name != NULL; roff++) + if (roff->offset == offset) + return roff->name; + return NULL; +} + +/** + * regs_within_kernel_stack() - check the address in the stack + * @regs: pt_regs which contains kernel stack pointer. + * @addr: address which is checked. + * + * regs_within_kernel_stack() checks @addr is within the kernel stack page(s). + * If @addr is within the kernel stack, it returns true. If not, returns false. + */ +bool regs_within_kernel_stack(struct pt_regs *regs, unsigned long addr) +{ + return ((addr & ~(THREAD_SIZE - 1)) == + (kernel_stack_pointer(regs) & ~(THREAD_SIZE - 1))); +} + +/** + * regs_get_kernel_stack_nth() - get Nth entry of the stack + * @regs: pt_regs which contains kernel stack pointer. + * @n: stack entry number. + * + * regs_get_kernel_stack_nth() returns @n th entry of the kernel stack which + * is specified by @regs. If the @n th entry is NOT in the kernel stack, + * this returns 0. + */ +unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, unsigned int n) +{ + unsigned long *addr = (unsigned long *)kernel_stack_pointer(regs); + addr += n; + if (regs_within_kernel_stack(regs, (unsigned long)addr)) + return *addr; + else + return 0; +} + /* * this routine will get a word off of the processes privileged stack. * the offset is how far from the base addr as stored in the THREAD. -- cgit v1.2.3-70-g09d2 From 5aaf254409f8d58229107b59507a8235b715a960 Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Thu, 1 Jul 2010 13:41:05 +0100 Subject: ARM: 6203/1: Make VFPv3 usable on ARMv6 MVFR0 and MVFR1 are only available starting with ARM1136 r1p0 release according to "B.5 VFP changes" in DDI0211F_arm1136_r1p0_trm.pdf. This is also when TLS register got added, so we can use HAS_TLS also to test for MVFR0 and MVFR1. Otherwise VFPFMRX and VFPFMXR access fails and we get: Internal error: Oops - undefined instruction: 0 [#1] PC is at no_old_VFP_process+0x8/0x3c LR is at __und_svc+0x48/0x80 ... Signed-off-by: Tony Lindgren Acked-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/include/asm/vfpmacros.h | 18 ++++++++++++++++++ arch/arm/vfp/vfpmodule.c | 10 +++++++--- 2 files changed, 25 insertions(+), 3 deletions(-) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/vfpmacros.h b/arch/arm/include/asm/vfpmacros.h index 422f3cc204a..3d5fc41ae8d 100644 --- a/arch/arm/include/asm/vfpmacros.h +++ b/arch/arm/include/asm/vfpmacros.h @@ -3,6 +3,8 @@ * * Assembler-only file containing VFP macros and register definitions. */ +#include + #include "vfp.h" @ Macros to allow building with old toolkits (with no VFP support) @@ -22,11 +24,19 @@ LDC p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d0-d15} #endif #ifdef CONFIG_VFPv3 +#if __LINUX_ARM_ARCH__ <= 6 + ldr \tmp, =elf_hwcap @ may not have MVFR regs + ldr \tmp, [\tmp, #0] + tst \tmp, #HWCAP_VFPv3D16 + ldceq p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31} + addne \base, \base, #32*4 @ step over unused register space +#else VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0 and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field cmp \tmp, #2 @ 32 x 64bit registers? ldceql p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31} addne \base, \base, #32*4 @ step over unused register space +#endif #endif .endm @@ -38,10 +48,18 @@ STC p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d0-d15} #endif #ifdef CONFIG_VFPv3 +#if __LINUX_ARM_ARCH__ <= 6 + ldr \tmp, =elf_hwcap @ may not have MVFR regs + ldr \tmp, [\tmp, #0] + tst \tmp, #HWCAP_VFPv3D16 + stceq p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31} + addne \base, \base, #32*4 @ step over unused register space +#else VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0 and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field cmp \tmp, #2 @ 32 x 64bit registers? stceql p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31} addne \base, \base, #32*4 @ step over unused register space +#endif #endif .endm diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 315a540c7ce..8063a322c79 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -15,6 +15,7 @@ #include #include +#include #include #include @@ -549,10 +550,13 @@ static int __init vfp_init(void) /* * Check for the presence of the Advanced SIMD * load/store instructions, integer and single - * precision floating point operations. + * precision floating point operations. Only check + * for NEON if the hardware has the MVFR registers. */ - if ((fmrx(MVFR1) & 0x000fff00) == 0x00011100) - elf_hwcap |= HWCAP_NEON; + if ((read_cpuid_id() & 0x000f0000) == 0x000f0000) { + if ((fmrx(MVFR1) & 0x000fff00) == 0x00011100) + elf_hwcap |= HWCAP_NEON; + } #endif } return 0; -- cgit v1.2.3-70-g09d2 From f159f4ed55bb0fa5470800641e03a13a7e0eae6e Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Mon, 5 Jul 2010 14:53:10 +0100 Subject: ARM: 6207/1: Replace CONFIG_HAS_TLS_REG with HWCAP_TLS and check for it on V6 The TLS register is only available on ARM1136 r1p0 and later. Set HWCAP_TLS flags if hardware TLS is available and test for it if CONFIG_CPU_32v6K is not set for V6. Note that we set the TLS instruction in __kuser_get_tls dynamically as suggested by Jamie Lokier . Also the __switch_to code is optimized out in most cases as suggested by Nicolas Pitre . Reviewed-by: Nicolas Pitre Signed-off-by: Tony Lindgren Signed-off-by: Russell King --- arch/arm/include/asm/hwcap.h | 1 + arch/arm/include/asm/tls.h | 46 ++++++++++++++++++++++++++++++++++++++++++++ arch/arm/kernel/entry-armv.S | 23 +++++++--------------- arch/arm/kernel/setup.c | 17 ++++++++++++++++ arch/arm/kernel/traps.c | 41 ++++++++++++++++++++++++++++----------- arch/arm/mm/Kconfig | 11 ----------- arch/arm/mm/proc-v6.S | 5 +++-- arch/arm/mm/proc-v7.S | 2 +- 8 files changed, 105 insertions(+), 41 deletions(-) create mode 100644 arch/arm/include/asm/tls.h (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/hwcap.h b/arch/arm/include/asm/hwcap.h index f7bd52b1c36..c1062c31710 100644 --- a/arch/arm/include/asm/hwcap.h +++ b/arch/arm/include/asm/hwcap.h @@ -19,6 +19,7 @@ #define HWCAP_NEON 4096 #define HWCAP_VFPv3 8192 #define HWCAP_VFPv3D16 16384 +#define HWCAP_TLS 32768 #if defined(__KERNEL__) && !defined(__ASSEMBLY__) /* diff --git a/arch/arm/include/asm/tls.h b/arch/arm/include/asm/tls.h new file mode 100644 index 00000000000..e71d6ff8d10 --- /dev/null +++ b/arch/arm/include/asm/tls.h @@ -0,0 +1,46 @@ +#ifndef __ASMARM_TLS_H +#define __ASMARM_TLS_H + +#ifdef __ASSEMBLY__ + .macro set_tls_none, tp, tmp1, tmp2 + .endm + + .macro set_tls_v6k, tp, tmp1, tmp2 + mcr p15, 0, \tp, c13, c0, 3 @ set TLS register + .endm + + .macro set_tls_v6, tp, tmp1, tmp2 + ldr \tmp1, =elf_hwcap + ldr \tmp1, [\tmp1, #0] + mov \tmp2, #0xffff0fff + tst \tmp1, #HWCAP_TLS @ hardware TLS available? + mcrne p15, 0, \tp, c13, c0, 3 @ yes, set TLS register + streq \tp, [\tmp2, #-15] @ set TLS value at 0xffff0ff0 + .endm + + .macro set_tls_software, tp, tmp1, tmp2 + mov \tmp1, #0xffff0fff + str \tp, [\tmp1, #-15] @ set TLS value at 0xffff0ff0 + .endm +#endif + +#ifdef CONFIG_TLS_REG_EMUL +#define tls_emu 1 +#define has_tls_reg 1 +#define set_tls set_tls_none +#elif __LINUX_ARM_ARCH__ >= 7 || \ + (__LINUX_ARM_ARCH__ == 6 && defined(CONFIG_CPU_32v6K)) +#define tls_emu 0 +#define has_tls_reg 1 +#define set_tls set_tls_v6k +#elif __LINUX_ARM_ARCH__ == 6 +#define tls_emu 0 +#define has_tls_reg (elf_hwcap & HWCAP_TLS) +#define set_tls set_tls_v6 +#else +#define tls_emu 0 +#define has_tls_reg 0 +#define set_tls set_tls_software +#endif + +#endif /* __ASMARM_TLS_H */ diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 7ee48e7f8f3..a6cfb1791af 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -22,6 +22,7 @@ #include #include #include +#include #include "entry-header.S" @@ -739,12 +740,7 @@ ENTRY(__switch_to) #ifdef CONFIG_MMU ldr r6, [r2, #TI_CPU_DOMAIN] #endif -#if defined(CONFIG_HAS_TLS_REG) - mcr p15, 0, r3, c13, c0, 3 @ set TLS register -#elif !defined(CONFIG_TLS_REG_EMUL) - mov r4, #0xffff0fff - str r3, [r4, #-15] @ TLS val at 0xffff0ff0 -#endif + set_tls r3, r4, r5 #ifdef CONFIG_MMU mcr p15, 0, r6, c3, c0, 0 @ Set domain register #endif @@ -1009,17 +1005,12 @@ kuser_cmpxchg_fixup: */ __kuser_get_tls: @ 0xffff0fe0 - -#if !defined(CONFIG_HAS_TLS_REG) && !defined(CONFIG_TLS_REG_EMUL) - ldr r0, [pc, #(16 - 8)] @ TLS stored at 0xffff0ff0 -#else - mrc p15, 0, r0, c13, c0, 3 @ read TLS register -#endif + ldr r0, [pc, #(16 - 8)] @ read TLS, set in kuser_get_tls_init usr_ret lr - - .rep 5 - .word 0 @ pad up to __kuser_helper_version - .endr + mrc p15, 0, r0, c13, c0, 3 @ 0xffff0fe8 hardware TLS code + .rep 4 + .word 0 @ 0xffff0ff0 software TLS value, then + .endr @ pad up to __kuser_helper_version /* * Reference declaration: diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 7ae65dc594a..648c3c1e16c 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -269,6 +269,21 @@ static void __init cacheid_init(void) extern struct proc_info_list *lookup_processor_type(unsigned int); extern struct machine_desc *lookup_machine_type(unsigned int); +static void __init feat_v6_fixup(void) +{ + int id = read_cpuid_id(); + + if ((id & 0xff0f0000) != 0x41070000) + return; + + /* + * HWCAP_TLS is available only on 1136 r1p0 and later, + * see also kuser_get_tls_init. + */ + if ((((id >> 4) & 0xfff) == 0xb36) && (((id >> 20) & 3) == 0)) + elf_hwcap &= ~HWCAP_TLS; +} + static void __init setup_processor(void) { struct proc_info_list *list; @@ -311,6 +326,8 @@ static void __init setup_processor(void) elf_hwcap &= ~HWCAP_THUMB; #endif + feat_v6_fixup(); + cacheid_init(); cpu_proc_init(); } diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 1621e5327b2..cda78d59aa3 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -30,6 +30,7 @@ #include #include #include +#include #include "ptrace.h" #include "signal.h" @@ -518,17 +519,20 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) case NR(set_tls): thread->tp_value = regs->ARM_r0; -#if defined(CONFIG_HAS_TLS_REG) - asm ("mcr p15, 0, %0, c13, c0, 3" : : "r" (regs->ARM_r0) ); -#elif !defined(CONFIG_TLS_REG_EMUL) - /* - * User space must never try to access this directly. - * Expect your app to break eventually if you do so. - * The user helper at 0xffff0fe0 must be used instead. - * (see entry-armv.S for details) - */ - *((unsigned int *)0xffff0ff0) = regs->ARM_r0; -#endif + if (tls_emu) + return 0; + if (has_tls_reg) { + asm ("mcr p15, 0, %0, c13, c0, 3" + : : "r" (regs->ARM_r0)); + } else { + /* + * User space must never try to access this directly. + * Expect your app to break eventually if you do so. + * The user helper at 0xffff0fe0 must be used instead. + * (see entry-armv.S for details) + */ + *((unsigned int *)0xffff0ff0) = regs->ARM_r0; + } return 0; #ifdef CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG @@ -743,6 +747,16 @@ void __init trap_init(void) return; } +static void __init kuser_get_tls_init(unsigned long vectors) +{ + /* + * vectors + 0xfe0 = __kuser_get_tls + * vectors + 0xfe8 = hardware TLS instruction at 0xffff0fe8 + */ + if (tls_emu || has_tls_reg) + memcpy((void *)vectors + 0xfe0, (void *)vectors + 0xfe8, 4); +} + void __init early_trap_init(void) { unsigned long vectors = CONFIG_VECTORS_BASE; @@ -760,6 +774,11 @@ void __init early_trap_init(void) memcpy((void *)vectors + 0x200, __stubs_start, __stubs_end - __stubs_start); memcpy((void *)vectors + 0x1000 - kuser_sz, __kuser_helper_start, kuser_sz); + /* + * Do processor specific fixups for the kuser helpers + */ + kuser_get_tls_init(vectors); + /* * Copy signal return handlers into the vector page, and * set sigreturn to be a pointer to these. diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 346ae14824a..71d5d5efcee 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -717,17 +717,6 @@ config TLS_REG_EMUL a few prototypes like that in existence) and therefore access to that required register must be emulated. -config HAS_TLS_REG - bool - depends on !TLS_REG_EMUL - default y if SMP || CPU_32v7 - help - This selects support for the CP15 thread register. - It is defined to be available on some ARMv6 processors (including - all SMP capable ARMv6's) or later processors. User space may - assume directly accessing that register and always obtain the - expected value only on ARMv7 and above. - config NEEDS_SYSCALL_FOR_CMPXCHG bool help diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S index 7a5337ed7d6..2f5a3c23a0f 100644 --- a/arch/arm/mm/proc-v6.S +++ b/arch/arm/mm/proc-v6.S @@ -239,7 +239,8 @@ __v6_proc_info: b __v6_setup .long cpu_arch_name .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_JAVA + /* See also feat_v6_fixup() for HWCAP_TLS */ + .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_JAVA|HWCAP_TLS .long cpu_v6_name .long v6_processor_functions .long v6wbi_tlb_fns @@ -262,7 +263,7 @@ __pj4_v6_proc_info: b __v6_setup .long cpu_arch_name .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP + .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_TLS .long cpu_pj4_name .long v6_processor_functions .long v6wbi_tlb_fns diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 7aaf88a3b7a..8071bcd4c99 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -344,7 +344,7 @@ __v7_proc_info: b __v7_setup .long cpu_arch_name .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP + .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_TLS .long cpu_v7_name .long v7_processor_functions .long v7wbi_tlb_fns -- cgit v1.2.3-70-g09d2 From 24b776bfb6396fded148167643ffaf8eb3f782b1 Mon Sep 17 00:00:00 2001 From: Mika Westerberg Date: Mon, 10 May 2010 09:22:14 +0100 Subject: ARM: 6117/1: kdump: implement crash_setup_regs() Implement machine specific function crash_setup_regs() which is responsible for storing machine state when crash occured. Signed-off-by: Mika Westerberg Signed-off-by: Russell King --- arch/arm/include/asm/kexec.h | 22 +++++++++++++++++++--- 1 file changed, 19 insertions(+), 3 deletions(-) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/kexec.h b/arch/arm/include/asm/kexec.h index df15a0dc228..8ec9ef5c3c7 100644 --- a/arch/arm/include/asm/kexec.h +++ b/arch/arm/include/asm/kexec.h @@ -19,10 +19,26 @@ #ifndef __ASSEMBLY__ -struct kimage; -/* Provide a dummy definition to avoid build failures. */ +/** + * crash_setup_regs() - save registers for the panic kernel + * @newregs: registers are saved here + * @oldregs: registers to be saved (may be %NULL) + * + * Function copies machine registers from @oldregs to @newregs. If @oldregs is + * %NULL then current registers are stored there. + */ static inline void crash_setup_regs(struct pt_regs *newregs, - struct pt_regs *oldregs) { } + struct pt_regs *oldregs) +{ + if (oldregs) { + memcpy(newregs, oldregs, sizeof(*newregs)); + } else { + __asm__ __volatile__ ("stmia %0, {r0 - r15}" + : : "r" (&newregs->ARM_r0)); + __asm__ __volatile__ ("mrs %0, cpsr" + : "=r" (newregs->ARM_cpsr)); + } +} #endif /* __ASSEMBLY__ */ -- cgit v1.2.3-70-g09d2 From be370302742ff9948f2a42b15cb2ba174d97b930 Mon Sep 17 00:00:00 2001 From: Russell King Date: Fri, 7 May 2010 17:40:33 +0100 Subject: ARM: Remove DISCONTIGMEM support Everything should now be using sparsemem rather than discontigmem, so remove the code supporting discontigmem from ARM. Signed-off-by: Russell King --- arch/arm/Kconfig | 13 +- arch/arm/include/asm/memory.h | 65 ------- arch/arm/include/asm/mmzone.h | 30 --- arch/arm/include/asm/setup.h | 8 +- arch/arm/kernel/setup.c | 3 +- arch/arm/mach-aaec2000/include/mach/memory.h | 10 - arch/arm/mach-clps711x/Kconfig | 1 - arch/arm/mach-clps711x/clep7312.c | 1 - arch/arm/mach-clps711x/edb7211-arch.c | 2 - arch/arm/mach-clps711x/fortunet.c | 1 - arch/arm/mach-clps711x/include/mach/memory.h | 2 - arch/arm/mach-iop13xx/include/mach/memory.h | 2 - arch/arm/mach-lh7a40x/include/mach/memory.h | 44 ----- arch/arm/mach-msm/board-trout.c | 1 - arch/arm/mach-pxa/corgi.c | 1 - arch/arm/mach-pxa/eseries.c | 1 - arch/arm/mach-pxa/generic.h | 3 +- arch/arm/mach-pxa/include/mach/memory.h | 12 -- arch/arm/mach-pxa/poodle.c | 1 - arch/arm/mach-pxa/spitz.c | 1 - arch/arm/mach-pxa/tosa.c | 1 - arch/arm/mach-s3c2412/mach-smdk2413.c | 1 - arch/arm/mach-s3c2412/mach-vstms.c | 1 - arch/arm/mach-sa1100/generic.h | 3 +- arch/arm/mm/Makefile | 1 - arch/arm/mm/discontig.c | 45 ----- arch/arm/mm/init.c | 266 ++++++++++++--------------- arch/arm/mm/mm.h | 4 +- arch/arm/mm/mmu.c | 38 ++-- arch/arm/mm/nommu.c | 13 +- 30 files changed, 143 insertions(+), 432 deletions(-) delete mode 100644 arch/arm/include/asm/mmzone.h delete mode 100644 arch/arm/mm/discontig.c (limited to 'arch/arm/include/asm') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 98922f7d2d1..410edd65f11 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -719,7 +719,6 @@ config ARCH_SHARK config ARCH_LH7A40X bool "Sharp LH7A40X" select CPU_ARM922T - select ARCH_DISCONTIGMEM_ENABLE if !LH7A40X_CONTIGMEM select ARCH_SPARSEMEM_ENABLE if !LH7A40X_CONTIGMEM select ARCH_USES_GETTIMEOFFSET help @@ -1241,10 +1240,6 @@ config OABI_COMPAT config ARCH_HAS_HOLES_MEMORYMODEL bool -# Discontigmem is deprecated -config ARCH_DISCONTIGMEM_ENABLE - bool - config ARCH_SPARSEMEM_ENABLE bool @@ -1252,13 +1247,7 @@ config ARCH_SPARSEMEM_DEFAULT def_bool ARCH_SPARSEMEM_ENABLE config ARCH_SELECT_MEMORY_MODEL - def_bool ARCH_DISCONTIGMEM_ENABLE && ARCH_SPARSEMEM_ENABLE - -config NODES_SHIFT - int - default "4" if ARCH_LH7A40X - default "2" - depends on NEED_MULTIPLE_NODES + def_bool ARCH_SPARSEMEM_ENABLE config HIGHMEM bool "High Memory Support (EXPERIMENTAL)" diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 4312ee5e3d0..e263ec7c5dc 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -234,76 +234,11 @@ static inline __deprecated void *bus_to_virt(unsigned long x) * virt_to_page(k) convert a _valid_ virtual address to struct page * * virt_addr_valid(k) indicates whether a virtual address is valid */ -#ifndef CONFIG_DISCONTIGMEM - #define ARCH_PFN_OFFSET PHYS_PFN_OFFSET #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define virt_addr_valid(kaddr) ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory) -#define PHYS_TO_NID(addr) (0) - -#else /* CONFIG_DISCONTIGMEM */ - -/* - * This is more complex. We have a set of mem_map arrays spread - * around in memory. - */ -#include - -#define arch_pfn_to_nid(pfn) PFN_TO_NID(pfn) -#define arch_local_page_offset(pfn, nid) LOCAL_MAP_NR((pfn) << PAGE_SHIFT) - -#define virt_to_page(kaddr) \ - (ADDR_TO_MAPBASE(kaddr) + LOCAL_MAP_NR(kaddr)) - -#define virt_addr_valid(kaddr) (KVADDR_TO_NID(kaddr) < MAX_NUMNODES) - -/* - * Common discontigmem stuff. - * PHYS_TO_NID is used by the ARM kernel/setup.c - */ -#define PHYS_TO_NID(addr) PFN_TO_NID((addr) >> PAGE_SHIFT) - -/* - * Given a kaddr, ADDR_TO_MAPBASE finds the owning node of the memory - * and returns the mem_map of that node. - */ -#define ADDR_TO_MAPBASE(kaddr) NODE_MEM_MAP(KVADDR_TO_NID(kaddr)) - -/* - * Given a page frame number, find the owning node of the memory - * and returns the mem_map of that node. - */ -#define PFN_TO_MAPBASE(pfn) NODE_MEM_MAP(PFN_TO_NID(pfn)) - -#ifdef NODE_MEM_SIZE_BITS -#define NODE_MEM_SIZE_MASK ((1 << NODE_MEM_SIZE_BITS) - 1) - -/* - * Given a kernel address, find the home node of the underlying memory. - */ -#define KVADDR_TO_NID(addr) \ - (((unsigned long)(addr) - PAGE_OFFSET) >> NODE_MEM_SIZE_BITS) - -/* - * Given a page frame number, convert it to a node id. - */ -#define PFN_TO_NID(pfn) \ - (((pfn) - PHYS_PFN_OFFSET) >> (NODE_MEM_SIZE_BITS - PAGE_SHIFT)) - -/* - * Given a kaddr, LOCAL_MEM_MAP finds the owning node of the memory - * and returns the index corresponding to the appropriate page in the - * node's mem_map. - */ -#define LOCAL_MAP_NR(addr) \ - (((unsigned long)(addr) & NODE_MEM_SIZE_MASK) >> PAGE_SHIFT) - -#endif /* NODE_MEM_SIZE_BITS */ - -#endif /* !CONFIG_DISCONTIGMEM */ - /* * Optional coherency support. Currently used only by selected * Intel XSC3-based systems. diff --git a/arch/arm/include/asm/mmzone.h b/arch/arm/include/asm/mmzone.h deleted file mode 100644 index ae63a4fd28c..00000000000 --- a/arch/arm/include/asm/mmzone.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * arch/arm/include/asm/mmzone.h - * - * 1999-12-29 Nicolas Pitre Created - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef __ASM_MMZONE_H -#define __ASM_MMZONE_H - -/* - * Currently defined in arch/arm/mm/discontig.c - */ -extern pg_data_t discontig_node_data[]; - -/* - * Return a pointer to the node data for node n. - */ -#define NODE_DATA(nid) (&discontig_node_data[nid]) - -/* - * NODE_MEM_MAP gives the kaddr for the mem_map of the node. - */ -#define NODE_MEM_MAP(nid) (NODE_DATA(nid)->node_mem_map) - -#include - -#endif diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h index f392fb4437a..f1e5a9bca24 100644 --- a/arch/arm/include/asm/setup.h +++ b/arch/arm/include/asm/setup.h @@ -201,8 +201,7 @@ static struct tagtable __tagtable_##fn __tag = { tag, fn } struct membank { unsigned long start; unsigned long size; - unsigned short node; - unsigned short highmem; + unsigned int highmem; }; struct meminfo { @@ -212,9 +211,8 @@ struct meminfo { extern struct meminfo meminfo; -#define for_each_nodebank(iter,mi,no) \ - for (iter = 0; iter < (mi)->nr_banks; iter++) \ - if ((mi)->bank[iter].node == no) +#define for_each_bank(iter,mi) \ + for (iter = 0; iter < (mi)->nr_banks; iter++) #define bank_pfn_start(bank) __phys_to_pfn((bank)->start) #define bank_pfn_end(bank) __phys_to_pfn((bank)->start + (bank)->size) diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 122d999bdc7..387d2e9cb51 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -402,13 +402,12 @@ static int __init arm_add_memory(unsigned long start, unsigned long size) size -= start & ~PAGE_MASK; bank->start = PAGE_ALIGN(start); bank->size = size & PAGE_MASK; - bank->node = PHYS_TO_NID(start); /* * Check whether this memory region has non-zero size or * invalid node number. */ - if (bank->size == 0 || bank->node >= MAX_NUMNODES) + if (bank->size == 0) return -EINVAL; meminfo.nr_banks++; diff --git a/arch/arm/mach-aaec2000/include/mach/memory.h b/arch/arm/mach-aaec2000/include/mach/memory.h index c00822543d9..4f93c567a35 100644 --- a/arch/arm/mach-aaec2000/include/mach/memory.h +++ b/arch/arm/mach-aaec2000/include/mach/memory.h @@ -14,14 +14,4 @@ #define PHYS_OFFSET UL(0xf0000000) -/* - * The nodes are the followings: - * - * node 0: 0xf000.0000 - 0xf3ff.ffff - * node 1: 0xf400.0000 - 0xf7ff.ffff - * node 2: 0xf800.0000 - 0xfbff.ffff - * node 3: 0xfc00.0000 - 0xffff.ffff - */ -#define NODE_MEM_SIZE_BITS 26 - #endif /* __ASM_ARCH_MEMORY_H */ diff --git a/arch/arm/mach-clps711x/Kconfig b/arch/arm/mach-clps711x/Kconfig index dbaae5f746a..eb34bd1251d 100644 --- a/arch/arm/mach-clps711x/Kconfig +++ b/arch/arm/mach-clps711x/Kconfig @@ -30,7 +30,6 @@ config ARCH_CLEP7312 config ARCH_EDB7211 bool "EDB7211" select ISA - select ARCH_DISCONTIGMEM_ENABLE select ARCH_SPARSEMEM_ENABLE select ARCH_SELECT_MEMORY_MODEL help diff --git a/arch/arm/mach-clps711x/clep7312.c b/arch/arm/mach-clps711x/clep7312.c index 09fb57e4521..3c3bf45039f 100644 --- a/arch/arm/mach-clps711x/clep7312.c +++ b/arch/arm/mach-clps711x/clep7312.c @@ -32,7 +32,6 @@ fixup_clep7312(struct machine_desc *desc, struct tag *tags, mi->nr_banks=1; mi->bank[0].start = 0xc0000000; mi->bank[0].size = 0x01000000; - mi->bank[0].node = 0; } diff --git a/arch/arm/mach-clps711x/edb7211-arch.c b/arch/arm/mach-clps711x/edb7211-arch.c index dc81cc68595..41a4425617c 100644 --- a/arch/arm/mach-clps711x/edb7211-arch.c +++ b/arch/arm/mach-clps711x/edb7211-arch.c @@ -43,10 +43,8 @@ fixup_edb7211(struct machine_desc *desc, struct tag *tags, */ mi->bank[0].start = 0xc0000000; mi->bank[0].size = 8*1024*1024; - mi->bank[0].node = 0; mi->bank[1].start = 0xc1000000; mi->bank[1].size = 8*1024*1024; - mi->bank[1].node = 1; mi->nr_banks = 2; } diff --git a/arch/arm/mach-clps711x/fortunet.c b/arch/arm/mach-clps711x/fortunet.c index 7430e4049d8..a696099aa4f 100644 --- a/arch/arm/mach-clps711x/fortunet.c +++ b/arch/arm/mach-clps711x/fortunet.c @@ -39,7 +39,6 @@ struct meminfo memmap = { { .start = 0xC0000000, .size = 0x01000000, - .node = 0 }, }, }; diff --git a/arch/arm/mach-clps711x/include/mach/memory.h b/arch/arm/mach-clps711x/include/mach/memory.h index f70d52be48a..f45c8e892cb 100644 --- a/arch/arm/mach-clps711x/include/mach/memory.h +++ b/arch/arm/mach-clps711x/include/mach/memory.h @@ -20,7 +20,6 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H - /* * Physical DRAM offset. */ @@ -72,7 +71,6 @@ * node 2: 0xd0000000 - 0xd7ffffff * node 3: 0xd8000000 - 0xdfffffff */ -#define NODE_MEM_SIZE_BITS 24 #define SECTION_SIZE_BITS 24 #define MAX_PHYSMEM_BITS 32 diff --git a/arch/arm/mach-iop13xx/include/mach/memory.h b/arch/arm/mach-iop13xx/include/mach/memory.h index 25b1da9a503..7415e433865 100644 --- a/arch/arm/mach-iop13xx/include/mach/memory.h +++ b/arch/arm/mach-iop13xx/include/mach/memory.h @@ -69,6 +69,4 @@ static inline unsigned long __lbus_to_virt(dma_addr_t x) #endif /* CONFIG_ARCH_IOP13XX */ #endif /* !ASSEMBLY */ -#define PFN_TO_NID(addr) (0) - #endif diff --git a/arch/arm/mach-lh7a40x/include/mach/memory.h b/arch/arm/mach-lh7a40x/include/mach/memory.h index 189d20e543e..edb8f5faf5d 100644 --- a/arch/arm/mach-lh7a40x/include/mach/memory.h +++ b/arch/arm/mach-lh7a40x/include/mach/memory.h @@ -19,50 +19,6 @@ */ #define PHYS_OFFSET UL(0xc0000000) -#ifdef CONFIG_DISCONTIGMEM - -/* - * Given a kernel address, find the home node of the underlying memory. - */ - -# ifdef CONFIG_LH7A40X_ONE_BANK_PER_NODE -# define KVADDR_TO_NID(addr) \ - ( ((((unsigned long) (addr) - PAGE_OFFSET) >> 24) & 1)\ - | ((((unsigned long) (addr) - PAGE_OFFSET) >> 25) & ~1)) -# else /* 2 banks per node */ -# define KVADDR_TO_NID(addr) \ - (((unsigned long) (addr) - PAGE_OFFSET) >> 26) -# endif - -/* - * Given a page frame number, convert it to a node id. - */ - -# ifdef CONFIG_LH7A40X_ONE_BANK_PER_NODE -# define PFN_TO_NID(pfn) \ - (((((pfn) - PHYS_PFN_OFFSET) >> (24 - PAGE_SHIFT)) & 1)\ - | ((((pfn) - PHYS_PFN_OFFSET) >> (25 - PAGE_SHIFT)) & ~1)) -# else /* 2 banks per node */ -# define PFN_TO_NID(pfn) \ - (((pfn) - PHYS_PFN_OFFSET) >> (26 - PAGE_SHIFT)) -#endif - -/* - * Given a kaddr, LOCAL_MEM_MAP finds the owning node of the memory - * and returns the index corresponding to the appropriate page in the - * node's mem_map. - */ - -# ifdef CONFIG_LH7A40X_ONE_BANK_PER_NODE -# define LOCAL_MAP_NR(addr) \ - (((unsigned long)(addr) & 0x003fffff) >> PAGE_SHIFT) -# else /* 2 banks per node */ -# define LOCAL_MAP_NR(addr) \ - (((unsigned long)(addr) & 0x01ffffff) >> PAGE_SHIFT) -# endif - -#endif - /* * Sparsemem version of the above */ diff --git a/arch/arm/mach-msm/board-trout.c b/arch/arm/mach-msm/board-trout.c index dca5a5f062d..e69a1502e4e 100644 --- a/arch/arm/mach-msm/board-trout.c +++ b/arch/arm/mach-msm/board-trout.c @@ -50,7 +50,6 @@ static void __init trout_fixup(struct machine_desc *desc, struct tag *tags, { mi->nr_banks = 1; mi->bank[0].start = PHYS_OFFSET; - mi->bank[0].node = PHYS_TO_NID(PHYS_OFFSET); mi->bank[0].size = (101*1024*1024); } diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c index 3d1dcb9ac08..95234fb4fcf 100644 --- a/arch/arm/mach-pxa/corgi.c +++ b/arch/arm/mach-pxa/corgi.c @@ -715,7 +715,6 @@ static void __init fixup_corgi(struct machine_desc *desc, sharpsl_save_param(); mi->nr_banks=1; mi->bank[0].start = 0xa0000000; - mi->bank[0].node = 0; if (machine_is_corgi()) mi->bank[0].size = (32*1024*1024); else diff --git a/arch/arm/mach-pxa/eseries.c b/arch/arm/mach-pxa/eseries.c index 96ed1308163..a0ab3082a00 100644 --- a/arch/arm/mach-pxa/eseries.c +++ b/arch/arm/mach-pxa/eseries.c @@ -34,7 +34,6 @@ void __init eseries_fixup(struct machine_desc *desc, { mi->nr_banks=1; mi->bank[0].start = 0xa0000000; - mi->bank[0].node = 0; if (machine_is_e800()) mi->bank[0].size = (128*1024*1024); else diff --git a/arch/arm/mach-pxa/generic.h b/arch/arm/mach-pxa/generic.h index 890fb90a672..c6305c5b8a7 100644 --- a/arch/arm/mach-pxa/generic.h +++ b/arch/arm/mach-pxa/generic.h @@ -26,8 +26,7 @@ extern unsigned int get_clk_frequency_khz(int info); #define SET_BANK(__nr,__start,__size) \ mi->bank[__nr].start = (__start), \ - mi->bank[__nr].size = (__size), \ - mi->bank[__nr].node = (((unsigned)(__start) - PHYS_OFFSET) >> 27) + mi->bank[__nr].size = (__size) #define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x) diff --git a/arch/arm/mach-pxa/include/mach/memory.h b/arch/arm/mach-pxa/include/mach/memory.h index f626730ee42..81fd4a081c8 100644 --- a/arch/arm/mach-pxa/include/mach/memory.h +++ b/arch/arm/mach-pxa/include/mach/memory.h @@ -17,18 +17,6 @@ */ #define PHYS_OFFSET UL(0xa0000000) -/* - * The nodes are matched with the physical SDRAM banks as follows: - * - * node 0: 0xa0000000-0xa3ffffff --> 0xc0000000-0xc3ffffff - * node 1: 0xa4000000-0xa7ffffff --> 0xc4000000-0xc7ffffff - * node 2: 0xa8000000-0xabffffff --> 0xc8000000-0xcbffffff - * node 3: 0xac000000-0xafffffff --> 0xcc000000-0xcfffffff - * - * This needs a node mem size of 26 bits. - */ -#define NODE_MEM_SIZE_BITS 26 - #if !defined(__ASSEMBLY__) && defined(CONFIG_MACH_ARMCORE) && defined(CONFIG_PCI) void cmx2xx_pci_adjust_zones(int node, unsigned long *size, unsigned long *holes); diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c index f4abdaafdac..bc2758b5444 100644 --- a/arch/arm/mach-pxa/poodle.c +++ b/arch/arm/mach-pxa/poodle.c @@ -463,7 +463,6 @@ static void __init fixup_poodle(struct machine_desc *desc, sharpsl_save_param(); mi->nr_banks=1; mi->bank[0].start = 0xa0000000; - mi->bank[0].node = 0; mi->bank[0].size = (32*1024*1024); } diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c index c1048a35f18..51756c72355 100644 --- a/arch/arm/mach-pxa/spitz.c +++ b/arch/arm/mach-pxa/spitz.c @@ -847,7 +847,6 @@ static void __init fixup_spitz(struct machine_desc *desc, sharpsl_save_param(); mi->nr_banks = 1; mi->bank[0].start = 0xa0000000; - mi->bank[0].node = 0; mi->bank[0].size = (64*1024*1024); } diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c index 7512b822c6c..83cc3a18c2e 100644 --- a/arch/arm/mach-pxa/tosa.c +++ b/arch/arm/mach-pxa/tosa.c @@ -948,7 +948,6 @@ static void __init fixup_tosa(struct machine_desc *desc, sharpsl_save_param(); mi->nr_banks=1; mi->bank[0].start = 0xa0000000; - mi->bank[0].node = 0; mi->bank[0].size = (64*1024*1024); } diff --git a/arch/arm/mach-s3c2412/mach-smdk2413.c b/arch/arm/mach-s3c2412/mach-smdk2413.c index ba93a356a83..054c9f92232 100644 --- a/arch/arm/mach-s3c2412/mach-smdk2413.c +++ b/arch/arm/mach-s3c2412/mach-smdk2413.c @@ -119,7 +119,6 @@ static void __init smdk2413_fixup(struct machine_desc *desc, mi->nr_banks=1; mi->bank[0].start = 0x30000000; mi->bank[0].size = SZ_64M; - mi->bank[0].node = 0; } } diff --git a/arch/arm/mach-s3c2412/mach-vstms.c b/arch/arm/mach-s3c2412/mach-vstms.c index 3ca9265b699..f291ac25d31 100644 --- a/arch/arm/mach-s3c2412/mach-vstms.c +++ b/arch/arm/mach-s3c2412/mach-vstms.c @@ -137,7 +137,6 @@ static void __init vstms_fixup(struct machine_desc *desc, mi->nr_banks=1; mi->bank[0].start = 0x30000000; mi->bank[0].size = SZ_64M; - mi->bank[0].node = 0; } } diff --git a/arch/arm/mach-sa1100/generic.h b/arch/arm/mach-sa1100/generic.h index ec03f187c52..b7a9a601c2d 100644 --- a/arch/arm/mach-sa1100/generic.h +++ b/arch/arm/mach-sa1100/generic.h @@ -13,8 +13,7 @@ extern void __init sa1100_init_gpio(void); #define SET_BANK(__nr,__start,__size) \ mi->bank[__nr].start = (__start), \ - mi->bank[__nr].size = (__size), \ - mi->bank[__nr].node = (((unsigned)(__start) - PHYS_OFFSET) >> 27) + mi->bank[__nr].size = (__size) extern void (*sa1100fb_backlight_power)(int on); extern void (*sa1100fb_lcd_power)(int on); diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile index e8d34a80851..d63b6c41375 100644 --- a/arch/arm/mm/Makefile +++ b/arch/arm/mm/Makefile @@ -15,7 +15,6 @@ endif obj-$(CONFIG_MODULES) += proc-syms.o obj-$(CONFIG_ALIGNMENT_TRAP) += alignment.o -obj-$(CONFIG_DISCONTIGMEM) += discontig.o obj-$(CONFIG_HIGHMEM) += highmem.o obj-$(CONFIG_CPU_ABRT_NOMMU) += abort-nommu.o diff --git a/arch/arm/mm/discontig.c b/arch/arm/mm/discontig.c deleted file mode 100644 index c8c0c4b0f0a..00000000000 --- a/arch/arm/mm/discontig.c +++ /dev/null @@ -1,45 +0,0 @@ -/* - * linux/arch/arm/mm/discontig.c - * - * Discontiguous memory support. - * - * Initial code: Copyright (C) 1999-2000 Nicolas Pitre - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include -#include -#include - -#if MAX_NUMNODES != 4 && MAX_NUMNODES != 16 -# error Fix Me Please -#endif - -/* - * Our node_data structure for discontiguous memory. - */ - -pg_data_t discontig_node_data[MAX_NUMNODES] = { - { .bdata = &bootmem_node_data[0] }, - { .bdata = &bootmem_node_data[1] }, - { .bdata = &bootmem_node_data[2] }, - { .bdata = &bootmem_node_data[3] }, -#if MAX_NUMNODES == 16 - { .bdata = &bootmem_node_data[4] }, - { .bdata = &bootmem_node_data[5] }, - { .bdata = &bootmem_node_data[6] }, - { .bdata = &bootmem_node_data[7] }, - { .bdata = &bootmem_node_data[8] }, - { .bdata = &bootmem_node_data[9] }, - { .bdata = &bootmem_node_data[10] }, - { .bdata = &bootmem_node_data[11] }, - { .bdata = &bootmem_node_data[12] }, - { .bdata = &bootmem_node_data[13] }, - { .bdata = &bootmem_node_data[14] }, - { .bdata = &bootmem_node_data[15] }, -#endif -}; - -EXPORT_SYMBOL(discontig_node_data); diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index f6a99946532..4011e524cb1 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -79,38 +79,37 @@ struct meminfo meminfo; void show_mem(void) { int free = 0, total = 0, reserved = 0; - int shared = 0, cached = 0, slab = 0, node, i; + int shared = 0, cached = 0, slab = 0, i; struct meminfo * mi = &meminfo; printk("Mem-info:\n"); show_free_areas(); - for_each_online_node(node) { - for_each_nodebank (i,mi,node) { - struct membank *bank = &mi->bank[i]; - unsigned int pfn1, pfn2; - struct page *page, *end; - - pfn1 = bank_pfn_start(bank); - pfn2 = bank_pfn_end(bank); - - page = pfn_to_page(pfn1); - end = pfn_to_page(pfn2 - 1) + 1; - - do { - total++; - if (PageReserved(page)) - reserved++; - else if (PageSwapCache(page)) - cached++; - else if (PageSlab(page)) - slab++; - else if (!page_count(page)) - free++; - else - shared += page_count(page) - 1; - page++; - } while (page < end); - } + + for_each_bank (i, mi) { + struct membank *bank = &mi->bank[i]; + unsigned int pfn1, pfn2; + struct page *page, *end; + + pfn1 = bank_pfn_start(bank); + pfn2 = bank_pfn_end(bank); + + page = pfn_to_page(pfn1); + end = pfn_to_page(pfn2 - 1) + 1; + + do { + total++; + if (PageReserved(page)) + reserved++; + else if (PageSwapCache(page)) + cached++; + else if (PageSlab(page)) + slab++; + else if (!page_count(page)) + free++; + else + shared += page_count(page) - 1; + page++; + } while (page < end); } printk("%d pages of RAM\n", total); @@ -121,7 +120,7 @@ void show_mem(void) printk("%d pages swap cached\n", cached); } -static void __init find_node_limits(int node, struct meminfo *mi, +static void __init find_limits(struct meminfo *mi, unsigned long *min, unsigned long *max_low, unsigned long *max_high) { int i; @@ -129,7 +128,7 @@ static void __init find_node_limits(int node, struct meminfo *mi, *min = -1UL; *max_low = *max_high = 0; - for_each_nodebank(i, mi, node) { + for_each_bank (i, mi) { struct membank *bank = &mi->bank[i]; unsigned long start, end; @@ -154,14 +153,14 @@ static void __init find_node_limits(int node, struct meminfo *mi, * the end, we won't clash. */ static unsigned int __init -find_bootmap_pfn(int node, struct meminfo *mi, unsigned int bootmap_pages) +find_bootmap_pfn(struct meminfo *mi, unsigned int bootmap_pages) { unsigned int start_pfn, i, bootmap_pfn; start_pfn = PAGE_ALIGN(__pa(_end)) >> PAGE_SHIFT; bootmap_pfn = 0; - for_each_nodebank(i, mi, node) { + for_each_bank(i, mi) { struct membank *bank = &mi->bank[i]; unsigned int start, end; @@ -191,7 +190,7 @@ find_bootmap_pfn(int node, struct meminfo *mi, unsigned int bootmap_pages) static int __init check_initrd(struct meminfo *mi) { - int initrd_node = -2; + int initrd = -2; #ifdef CONFIG_BLK_DEV_INITRD unsigned long end = phys_initrd_start + phys_initrd_size; @@ -202,17 +201,17 @@ static int __init check_initrd(struct meminfo *mi) if (phys_initrd_size) { unsigned int i; - initrd_node = -1; + initrd = -1; for (i = 0; i < mi->nr_banks; i++) { struct membank *bank = &mi->bank[i]; if (bank_phys_start(bank) <= phys_initrd_start && end <= bank_phys_end(bank)) - initrd_node = bank->node; + initrd = 0; } } - if (initrd_node == -1) { + if (initrd == -1) { printk(KERN_ERR "INITRD: 0x%08lx+0x%08lx extends beyond " "physical memory - disabling initrd\n", phys_initrd_start, phys_initrd_size); @@ -220,10 +219,10 @@ static int __init check_initrd(struct meminfo *mi) } #endif - return initrd_node; + return initrd; } -static void __init bootmem_init_node(int node, struct meminfo *mi, +static void __init arm_bootmem_init(struct meminfo *mi, unsigned long start_pfn, unsigned long end_pfn) { unsigned long boot_pfn; @@ -235,37 +234,36 @@ static void __init bootmem_init_node(int node, struct meminfo *mi, * Allocate the bootmem bitmap page. */ boot_pages = bootmem_bootmap_pages(end_pfn - start_pfn); - boot_pfn = find_bootmap_pfn(node, mi, boot_pages); + boot_pfn = find_bootmap_pfn(mi, boot_pages); /* - * Initialise the bootmem allocator for this node, handing the + * Initialise the bootmem allocator, handing the * memory banks over to bootmem. */ - node_set_online(node); - pgdat = NODE_DATA(node); + node_set_online(0); + pgdat = NODE_DATA(0); init_bootmem_node(pgdat, boot_pfn, start_pfn, end_pfn); - for_each_nodebank(i, mi, node) { + for_each_bank(i, mi) { struct membank *bank = &mi->bank[i]; if (!bank->highmem) - free_bootmem_node(pgdat, bank_phys_start(bank), bank_phys_size(bank)); + free_bootmem(bank_phys_start(bank), bank_phys_size(bank)); } /* - * Reserve the bootmem bitmap for this node. + * Reserve the bootmem bitmap. */ - reserve_bootmem_node(pgdat, boot_pfn << PAGE_SHIFT, - boot_pages << PAGE_SHIFT, BOOTMEM_DEFAULT); + reserve_bootmem(boot_pfn << PAGE_SHIFT, + boot_pages << PAGE_SHIFT, BOOTMEM_DEFAULT); } -static void __init bootmem_reserve_initrd(int node) +static void __init bootmem_reserve_initrd(void) { #ifdef CONFIG_BLK_DEV_INITRD - pg_data_t *pgdat = NODE_DATA(node); int res; - res = reserve_bootmem_node(pgdat, phys_initrd_start, - phys_initrd_size, BOOTMEM_EXCLUSIVE); + res = reserve_bootmem(phys_initrd_start, + phys_initrd_size, BOOTMEM_EXCLUSIVE); if (res == 0) { initrd_start = __phys_to_virt(phys_initrd_start); @@ -279,23 +277,23 @@ static void __init bootmem_reserve_initrd(int node) #endif } -static void __init bootmem_free_node(int node, struct meminfo *mi) +static void __init arm_bootmem_free(struct meminfo *mi) { unsigned long zone_size[MAX_NR_ZONES], zhole_size[MAX_NR_ZONES]; unsigned long min, max_low, max_high; int i; - find_node_limits(node, mi, &min, &max_low, &max_high); + find_limits(mi, &min, &max_low, &max_high); /* - * initialise the zones within this node. + * initialise the zones. */ memset(zone_size, 0, sizeof(zone_size)); /* - * The size of this node has already been determined. If we need - * to do anything fancy with the allocation of this memory to the - * zones, now is the time to do it. + * The memory size has already been determined. If we need + * to do anything fancy with the allocation of this memory + * to the zones, now is the time to do it. */ zone_size[0] = max_low - min; #ifdef CONFIG_HIGHMEM @@ -303,11 +301,11 @@ static void __init bootmem_free_node(int node, struct meminfo *mi) #endif /* - * For each bank in this node, calculate the size of the holes. - * holes = node_size - sum(bank_sizes_in_node) + * Calculate the size of the holes. + * holes = node_size - sum(bank_sizes) */ memcpy(zhole_size, zone_size, sizeof(zhole_size)); - for_each_nodebank(i, mi, node) { + for_each_bank(i, mi) { int idx = 0; #ifdef CONFIG_HIGHMEM if (mi->bank[i].highmem) @@ -320,9 +318,9 @@ static void __init bootmem_free_node(int node, struct meminfo *mi) * Adjust the sizes according to any special requirements for * this machine type. */ - arch_adjust_zones(node, zone_size, zhole_size); + arch_adjust_zones(0, zone_size, zhole_size); - free_area_init_node(node, zone_size, min, zhole_size); + free_area_init_node(0, zone_size, min, zhole_size); } #ifndef CONFIG_SPARSEMEM @@ -346,16 +344,16 @@ int pfn_valid(unsigned long pfn) } EXPORT_SYMBOL(pfn_valid); -static void arm_memory_present(struct meminfo *mi, int node) +static void arm_memory_present(struct meminfo *mi) { } #else -static void arm_memory_present(struct meminfo *mi, int node) +static void arm_memory_present(struct meminfo *mi) { int i; - for_each_nodebank(i, mi, node) { + for_each_bank(i, mi) { struct membank *bank = &mi->bank[i]; - memory_present(node, bank_pfn_start(bank), bank_pfn_end(bank)); + memory_present(0, bank_pfn_start(bank), bank_pfn_end(bank)); } } #endif @@ -364,55 +362,35 @@ void __init bootmem_init(void) { struct meminfo *mi = &meminfo; unsigned long min, max_low, max_high; - int node, initrd_node; + int initrd; /* - * Locate which node contains the ramdisk image, if any. + * Locate the ramdisk image, if any. */ - initrd_node = check_initrd(mi); + initrd = check_initrd(mi); max_low = max_high = 0; - /* - * Run through each node initialising the bootmem allocator. - */ - for_each_node(node) { - unsigned long node_low, node_high; - - find_node_limits(node, mi, &min, &node_low, &node_high); + find_limits(mi, &min, &max_low, &max_high); - if (node_low > max_low) - max_low = node_low; - if (node_high > max_high) - max_high = node_high; + arm_bootmem_init(mi, min, max_low); - /* - * If there is no memory in this node, ignore it. - * (We can't have nodes which have no lowmem) - */ - if (node_low == 0) - continue; - - bootmem_init_node(node, mi, min, node_low); - - /* - * Reserve any special node zero regions. - */ - if (node == 0) - reserve_node_zero(NODE_DATA(node)); + /* + * Reserve any special regions. + */ + reserve_special_regions(); - /* - * If the initrd is in this node, reserve its memory. - */ - if (node == initrd_node) - bootmem_reserve_initrd(node); + /* + * If the initrd is present, reserve its memory. + */ + if (initrd == 0) + bootmem_reserve_initrd(); - /* - * Sparsemem tries to allocate bootmem in memory_present(), - * so must be done after the fixed reservations - */ - arm_memory_present(mi, node); - } + /* + * Sparsemem tries to allocate bootmem in memory_present(), + * so must be done after the fixed reservations + */ + arm_memory_present(mi); /* * sparse_init() needs the bootmem allocator up and running. @@ -420,12 +398,11 @@ void __init bootmem_init(void) sparse_init(); /* - * Now free memory in each node - free_area_init_node needs + * Now free the memory - free_area_init_node needs * the sparse mem_map arrays initialized by sparse_init() * for memmap_init_zone(), otherwise all PFNs are invalid. */ - for_each_node(node) - bootmem_free_node(node, mi); + arm_bootmem_free(mi); high_memory = __va((max_low << PAGE_SHIFT) - 1) + 1; @@ -460,7 +437,7 @@ static inline int free_area(unsigned long pfn, unsigned long end, char *s) } static inline void -free_memmap(int node, unsigned long start_pfn, unsigned long end_pfn) +free_memmap(unsigned long start_pfn, unsigned long end_pfn) { struct page *start_pg, *end_pg; unsigned long pg, pgend; @@ -483,13 +460,13 @@ free_memmap(int node, unsigned long start_pfn, unsigned long end_pfn) * free the section of the memmap array. */ if (pg < pgend) - free_bootmem_node(NODE_DATA(node), pg, pgend - pg); + free_bootmem(pg, pgend - pg); } /* * The mem_map array can get very big. Free the unused area of the memory map. */ -static void __init free_unused_memmap_node(int node, struct meminfo *mi) +static void __init free_unused_memmap(struct meminfo *mi) { unsigned long bank_start, prev_bank_end = 0; unsigned int i; @@ -499,7 +476,7 @@ static void __init free_unused_memmap_node(int node, struct meminfo *mi) * may not be the case, especially if the user has provided the * information on the command line. */ - for_each_nodebank(i, mi, node) { + for_each_bank(i, mi) { struct membank *bank = &mi->bank[i]; bank_start = bank_pfn_start(bank); @@ -514,7 +491,7 @@ static void __init free_unused_memmap_node(int node, struct meminfo *mi) * between the current bank and the previous, free it. */ if (prev_bank_end && prev_bank_end != bank_start) - free_memmap(node, prev_bank_end, bank_start); + free_memmap(prev_bank_end, bank_start); prev_bank_end = bank_pfn_end(bank); } @@ -528,21 +505,14 @@ static void __init free_unused_memmap_node(int node, struct meminfo *mi) void __init mem_init(void) { unsigned long reserved_pages, free_pages; - int i, node; + int i; -#ifndef CONFIG_DISCONTIGMEM max_mapnr = pfn_to_page(max_pfn + PHYS_PFN_OFFSET) - mem_map; -#endif /* this will put all unused low memory onto the freelists */ - for_each_online_node(node) { - pg_data_t *pgdat = NODE_DATA(node); - - free_unused_memmap_node(node, &meminfo); + free_unused_memmap(&meminfo); - if (pgdat->node_spanned_pages != 0) - totalram_pages += free_all_bootmem_node(pgdat); - } + totalram_pages += free_all_bootmem(); #ifdef CONFIG_SA1111 /* now that our DMA memory is actually so designated, we can free it */ @@ -552,39 +522,35 @@ void __init mem_init(void) #ifdef CONFIG_HIGHMEM /* set highmem page free */ - for_each_online_node(node) { - for_each_nodebank (i, &meminfo, node) { - unsigned long start = bank_pfn_start(&meminfo.bank[i]); - unsigned long end = bank_pfn_end(&meminfo.bank[i]); - if (start >= max_low_pfn + PHYS_PFN_OFFSET) - totalhigh_pages += free_area(start, end, NULL); - } + for_each_bank (i, &meminfo) { + unsigned long start = bank_pfn_start(&meminfo.bank[i]); + unsigned long end = bank_pfn_end(&meminfo.bank[i]); + if (start >= max_low_pfn + PHYS_PFN_OFFSET) + totalhigh_pages += free_area(start, end, NULL); } totalram_pages += totalhigh_pages; #endif reserved_pages = free_pages = 0; - for_each_online_node(node) { - for_each_nodebank(i, &meminfo, node) { - struct membank *bank = &meminfo.bank[i]; - unsigned int pfn1, pfn2; - struct page *page, *end; - - pfn1 = bank_pfn_start(bank); - pfn2 = bank_pfn_end(bank); - - page = pfn_to_page(pfn1); - end = pfn_to_page(pfn2 - 1) + 1; - - do { - if (PageReserved(page)) - reserved_pages++; - else if (!page_count(page)) - free_pages++; - page++; - } while (page < end); - } + for_each_bank(i, &meminfo) { + struct membank *bank = &meminfo.bank[i]; + unsigned int pfn1, pfn2; + struct page *page, *end; + + pfn1 = bank_pfn_start(bank); + pfn2 = bank_pfn_end(bank); + + page = pfn_to_page(pfn1); + end = pfn_to_page(pfn2 - 1) + 1; + + do { + if (PageReserved(page)) + reserved_pages++; + else if (!page_count(page)) + free_pages++; + page++; + } while (page < end); } /* diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h index 815d08eecbb..7b19c90ab29 100644 --- a/arch/arm/mm/mm.h +++ b/arch/arm/mm/mm.h @@ -28,7 +28,5 @@ extern void __flush_dcache_page(struct address_space *mapping, struct page *page #endif -struct pglist_data; - void __init bootmem_init(void); -void reserve_node_zero(struct pglist_data *pgdat); +void reserve_special_regions(void); diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 6a08087ab02..ddb1bee6de7 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -827,9 +827,9 @@ static inline void prepare_page_table(void) } /* - * Reserve the various regions of node 0 + * Reserve the various regions */ -void __init reserve_node_zero(pg_data_t *pgdat) +void __init reserve_special_regions(void) { unsigned long res_size = 0; @@ -838,19 +838,17 @@ void __init reserve_node_zero(pg_data_t *pgdat) * Note that this can only be in node 0. */ #ifdef CONFIG_XIP_KERNEL - reserve_bootmem_node(pgdat, __pa(_data), _end - _data, - BOOTMEM_DEFAULT); + reserve_bootmem(__pa(_data), _end - _data, BOOTMEM_DEFAULT); #else - reserve_bootmem_node(pgdat, __pa(_stext), _end - _stext, - BOOTMEM_DEFAULT); + reserve_bootmem(__pa(_stext), _end - _stext, BOOTMEM_DEFAULT); #endif /* * Reserve the page tables. These are already in use, * and can only be in node 0. */ - reserve_bootmem_node(pgdat, __pa(swapper_pg_dir), - PTRS_PER_PGD * sizeof(pgd_t), BOOTMEM_DEFAULT); + reserve_bootmem(__pa(swapper_pg_dir), + PTRS_PER_PGD * sizeof(pgd_t), BOOTMEM_DEFAULT); /* * Hmm... This should go elsewhere, but we really really need to @@ -874,29 +872,22 @@ void __init reserve_node_zero(pg_data_t *pgdat) if (machine_is_h1940() || machine_is_rx3715() || machine_is_rx1950()) { - reserve_bootmem_node(pgdat, 0x30003000, 0x1000, - BOOTMEM_DEFAULT); - reserve_bootmem_node(pgdat, 0x30081000, 0x1000, - BOOTMEM_DEFAULT); + reserve_bootmem(0x30003000, 0x1000, BOOTMEM_DEFAULT); + reserve_bootmem(0x30081000, 0x1000, BOOTMEM_DEFAULT); } if (machine_is_palmld() || machine_is_palmtx()) { - reserve_bootmem_node(pgdat, 0xa0000000, 0x1000, - BOOTMEM_EXCLUSIVE); - reserve_bootmem_node(pgdat, 0xa0200000, 0x1000, - BOOTMEM_EXCLUSIVE); + reserve_bootmem(0xa0000000, 0x1000, BOOTMEM_EXCLUSIVE); + reserve_bootmem(0xa0200000, 0x1000, BOOTMEM_EXCLUSIVE); } if (machine_is_treo680() || machine_is_centro()) { - reserve_bootmem_node(pgdat, 0xa0000000, 0x1000, - BOOTMEM_EXCLUSIVE); - reserve_bootmem_node(pgdat, 0xa2000000, 0x1000, - BOOTMEM_EXCLUSIVE); + reserve_bootmem(0xa0000000, 0x1000, BOOTMEM_EXCLUSIVE); + reserve_bootmem(0xa2000000, 0x1000, BOOTMEM_EXCLUSIVE); } if (machine_is_palmt5()) - reserve_bootmem_node(pgdat, 0xa0200000, 0x1000, - BOOTMEM_EXCLUSIVE); + reserve_bootmem(0xa0200000, 0x1000, BOOTMEM_EXCLUSIVE); /* * U300 - This platform family can share physical memory @@ -920,8 +911,7 @@ void __init reserve_node_zero(pg_data_t *pgdat) res_size = __pa(swapper_pg_dir) - PHYS_OFFSET; #endif if (res_size) - reserve_bootmem_node(pgdat, PHYS_OFFSET, res_size, - BOOTMEM_DEFAULT); + reserve_bootmem(PHYS_OFFSET, res_size, BOOTMEM_DEFAULT); } /* diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index 33b327379f0..25376d480b8 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -18,20 +18,18 @@ #include "mm.h" /* - * Reserve the various regions of node 0 + * Reserve the various regions */ -void __init reserve_node_zero(pg_data_t *pgdat) +void __init reserve_special_regions(void) { /* * Register the kernel text and data with bootmem. * Note that this can only be in node 0. */ #ifdef CONFIG_XIP_KERNEL - reserve_bootmem_node(pgdat, __pa(_data), _end - _data, - BOOTMEM_DEFAULT); + reserve_bootmem(__pa(_data), _end - _data, BOOTMEM_DEFAULT); #else - reserve_bootmem_node(pgdat, __pa(_stext), _end - _stext, - BOOTMEM_DEFAULT); + reserve_bootmem(__pa(_stext), _end - _stext, BOOTMEM_DEFAULT); #endif /* @@ -39,8 +37,7 @@ void __init reserve_node_zero(pg_data_t *pgdat) * some architectures which the DRAM is the exception vector to trap, * alloc_page breaks with error, although it is not NULL, but "0." */ - reserve_bootmem_node(pgdat, CONFIG_VECTORS_BASE, PAGE_SIZE, - BOOTMEM_DEFAULT); + reserve_bootmem(CONFIG_VECTORS_BASE, PAGE_SIZE, BOOTMEM_DEFAULT); } /* -- cgit v1.2.3-70-g09d2 From b65b4781fbd5846a82cdac0c32818af1a7452d1f Mon Sep 17 00:00:00 2001 From: Russell King Date: Sat, 22 May 2010 20:58:51 +0100 Subject: ARM: Remove 'node' argument form arch_adjust_zones() Since we no longer support discontigmem, node is always zero, so remove this argument. Signed-off-by: Russell King --- arch/arm/common/sa1111.c | 5 +---- arch/arm/include/asm/memory.h | 2 +- arch/arm/mach-davinci/include/mach/memory.h | 9 +++------ arch/arm/mach-ixp4xx/common-pci.c | 4 ++-- arch/arm/mach-ixp4xx/include/mach/memory.h | 6 +++--- arch/arm/mach-pxa/cm-x2xx-pci.c | 4 ++-- arch/arm/mach-pxa/include/mach/memory.h | 7 +++---- arch/arm/mach-realview/core.c | 5 ++--- arch/arm/mach-realview/include/mach/memory.h | 7 +++---- arch/arm/mach-sa1100/include/mach/memory.h | 6 +++--- arch/arm/mach-shark/include/mach/memory.h | 7 +++---- arch/arm/mm/init.c | 2 +- 12 files changed, 27 insertions(+), 37 deletions(-) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c index 6f80665f477..ac2fd440652 100644 --- a/arch/arm/common/sa1111.c +++ b/arch/arm/common/sa1111.c @@ -185,13 +185,10 @@ static struct sa1111_dev_info sa1111_devices[] = { }, }; -void __init sa1111_adjust_zones(int node, unsigned long *size, unsigned long *holes) +void __init sa1111_adjust_zones(unsigned long *size, unsigned long *holes) { unsigned int sz = SZ_1M >> PAGE_SHIFT; - if (node != 0) - sz = 0; - size[1] = size[0] - sz; size[0] = sz; } diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index e263ec7c5dc..82df0ae71bb 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -158,7 +158,7 @@ #endif #ifndef arch_adjust_zones -#define arch_adjust_zones(node,size,holes) do { } while (0) +#define arch_adjust_zones(size,holes) do { } while (0) #elif !defined(CONFIG_ZONE_DMA) #error "custom arch_adjust_zones() requires CONFIG_ZONE_DMA" #endif diff --git a/arch/arm/mach-davinci/include/mach/memory.h b/arch/arm/mach-davinci/include/mach/memory.h index a91edfb8bee..22eb97c1c30 100644 --- a/arch/arm/mach-davinci/include/mach/memory.h +++ b/arch/arm/mach-davinci/include/mach/memory.h @@ -48,19 +48,16 @@ * below 128M */ static inline void -__arch_adjust_zones(int node, unsigned long *size, unsigned long *holes) +__arch_adjust_zones(unsigned long *size, unsigned long *holes) { unsigned int sz = (128<<20) >> PAGE_SHIFT; - if (node != 0) - sz = 0; - size[1] = size[0] - sz; size[0] = sz; } -#define arch_adjust_zones(node, zone_size, holes) \ - if ((meminfo.bank[0].size >> 20) > 128) __arch_adjust_zones(node, zone_size, holes) +#define arch_adjust_zones(zone_size, holes) \ + if ((meminfo.bank[0].size >> 20) > 128) __arch_adjust_zones(zone_size, holes) #define ISA_DMA_THRESHOLD (PHYS_OFFSET + (128<<20) - 1) #define MAX_DMA_ADDRESS (PAGE_OFFSET + (128<<20)) diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c index e3181534c7f..333d04c5365 100644 --- a/arch/arm/mach-ixp4xx/common-pci.c +++ b/arch/arm/mach-ixp4xx/common-pci.c @@ -348,7 +348,7 @@ int dma_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size) * This is really ugly and we need a better way of specifying * DMA-capable regions of memory. */ -void __init ixp4xx_adjust_zones(int node, unsigned long *zone_size, +void __init ixp4xx_adjust_zones(unsigned long *zone_size, unsigned long *zhole_size) { unsigned int sz = SZ_64M >> PAGE_SHIFT; @@ -356,7 +356,7 @@ void __init ixp4xx_adjust_zones(int node, unsigned long *zone_size, /* * Only adjust if > 64M on current system */ - if (node || (zone_size[0] <= sz)) + if (zone_size[0] <= sz) return; zone_size[1] = zone_size[0] - sz; diff --git a/arch/arm/mach-ixp4xx/include/mach/memory.h b/arch/arm/mach-ixp4xx/include/mach/memory.h index 98f5e5e2098..0136eaa2922 100644 --- a/arch/arm/mach-ixp4xx/include/mach/memory.h +++ b/arch/arm/mach-ixp4xx/include/mach/memory.h @@ -16,10 +16,10 @@ #if !defined(__ASSEMBLY__) && defined(CONFIG_PCI) -void ixp4xx_adjust_zones(int node, unsigned long *size, unsigned long *holes); +void ixp4xx_adjust_zones(unsigned long *size, unsigned long *holes); -#define arch_adjust_zones(node, size, holes) \ - ixp4xx_adjust_zones(node, size, holes) +#define arch_adjust_zones(size, holes) \ + ixp4xx_adjust_zones(size, holes) #define ISA_DMA_THRESHOLD (SZ_64M - 1) #define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_64M) diff --git a/arch/arm/mach-pxa/cm-x2xx-pci.c b/arch/arm/mach-pxa/cm-x2xx-pci.c index 161fc2d6120..0f313059977 100644 --- a/arch/arm/mach-pxa/cm-x2xx-pci.c +++ b/arch/arm/mach-pxa/cm-x2xx-pci.c @@ -35,7 +35,7 @@ static int cmx2xx_it8152_irq_gpio; * This is really ugly and we need a better way of specifying * DMA-capable regions of memory. */ -void __init cmx2xx_pci_adjust_zones(int node, unsigned long *zone_size, +void __init cmx2xx_pci_adjust_zones(unsigned long *zone_size, unsigned long *zhole_size) { unsigned int sz = SZ_64M >> PAGE_SHIFT; @@ -46,7 +46,7 @@ void __init cmx2xx_pci_adjust_zones(int node, unsigned long *zone_size, /* * Only adjust if > 64M on current system */ - if (node || (zone_size[0] <= sz)) + if (zone_size[0] <= sz) return; zone_size[1] = zone_size[0] - sz; diff --git a/arch/arm/mach-pxa/include/mach/memory.h b/arch/arm/mach-pxa/include/mach/memory.h index 81fd4a081c8..92361a66b22 100644 --- a/arch/arm/mach-pxa/include/mach/memory.h +++ b/arch/arm/mach-pxa/include/mach/memory.h @@ -18,11 +18,10 @@ #define PHYS_OFFSET UL(0xa0000000) #if !defined(__ASSEMBLY__) && defined(CONFIG_MACH_ARMCORE) && defined(CONFIG_PCI) -void cmx2xx_pci_adjust_zones(int node, unsigned long *size, - unsigned long *holes); +void cmx2xx_pci_adjust_zones(unsigned long *size, unsigned long *holes); -#define arch_adjust_zones(node, size, holes) \ - cmx2xx_pci_adjust_zones(node, size, holes) +#define arch_adjust_zones(size, holes) \ + cmx2xx_pci_adjust_zones(size, holes) #define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_64M - 1) #define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_64M) diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index 595be19f8ad..1195e07c548 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -61,12 +61,11 @@ void __iomem *gic_cpu_base_addr; /* * Adjust the zones if there are restrictions for DMA access. */ -void __init realview_adjust_zones(int node, unsigned long *size, - unsigned long *hole) +void __init realview_adjust_zones(unsigned long *size, unsigned long *hole) { unsigned long dma_size = SZ_256M >> PAGE_SHIFT; - if (!machine_is_realview_pbx() || node || (size[0] <= dma_size)) + if (!machine_is_realview_pbx() || size[0] <= dma_size) return; size[ZONE_NORMAL] = size[0] - dma_size; diff --git a/arch/arm/mach-realview/include/mach/memory.h b/arch/arm/mach-realview/include/mach/memory.h index 2417bbcf97f..5dafc157b27 100644 --- a/arch/arm/mach-realview/include/mach/memory.h +++ b/arch/arm/mach-realview/include/mach/memory.h @@ -30,10 +30,9 @@ #endif #if !defined(__ASSEMBLY__) && defined(CONFIG_ZONE_DMA) -extern void realview_adjust_zones(int node, unsigned long *size, - unsigned long *hole); -#define arch_adjust_zones(node, size, hole) \ - realview_adjust_zones(node, size, hole) +extern void realview_adjust_zones(unsigned long *size, unsigned long *hole); +#define arch_adjust_zones(size, hole) \ + realview_adjust_zones(size, hole) #define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_256M - 1) #define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_256M) diff --git a/arch/arm/mach-sa1100/include/mach/memory.h b/arch/arm/mach-sa1100/include/mach/memory.h index d5277f9bee7..128a1dfa96b 100644 --- a/arch/arm/mach-sa1100/include/mach/memory.h +++ b/arch/arm/mach-sa1100/include/mach/memory.h @@ -17,10 +17,10 @@ #ifndef __ASSEMBLY__ #ifdef CONFIG_SA1111 -void sa1111_adjust_zones(int node, unsigned long *size, unsigned long *holes); +void sa1111_adjust_zones(unsigned long *size, unsigned long *holes); -#define arch_adjust_zones(node, size, holes) \ - sa1111_adjust_zones(node, size, holes) +#define arch_adjust_zones(size, holes) \ + sa1111_adjust_zones(size, holes) #define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_1M - 1) #define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_1M) diff --git a/arch/arm/mach-shark/include/mach/memory.h b/arch/arm/mach-shark/include/mach/memory.h index 3053e5b7f16..d9c4812f1c3 100644 --- a/arch/arm/mach-shark/include/mach/memory.h +++ b/arch/arm/mach-shark/include/mach/memory.h @@ -19,9 +19,8 @@ #ifndef __ASSEMBLY__ -static inline void __arch_adjust_zones(int node, unsigned long *zone_size, unsigned long *zhole_size) +static inline void __arch_adjust_zones(unsigned long *zone_size, unsigned long *zhole_size) { - if (node != 0) return; /* Only the first 4 MB (=1024 Pages) are usable for DMA */ /* See dev / -> .properties in OpenFirmware. */ zone_size[1] = zone_size[0] - 1024; @@ -30,8 +29,8 @@ static inline void __arch_adjust_zones(int node, unsigned long *zone_size, unsig zhole_size[0] = 0; } -#define arch_adjust_zones(node, size, holes) \ - __arch_adjust_zones(node, size, holes) +#define arch_adjust_zones(size, holes) \ + __arch_adjust_zones(size, holes) #define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_4M - 1) #define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_4M) diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 4011e524cb1..4d2720888c5 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -318,7 +318,7 @@ static void __init arm_bootmem_free(struct meminfo *mi) * Adjust the sizes according to any special requirements for * this machine type. */ - arch_adjust_zones(0, zone_size, zhole_size); + arch_adjust_zones(zone_size, zhole_size); free_area_init_node(0, zone_size, min, zhole_size); } -- cgit v1.2.3-70-g09d2 From 98c672cf1fa2a56f6f43e3f48b1208b83845582c Mon Sep 17 00:00:00 2001 From: Russell King Date: Sat, 22 May 2010 18:18:57 +0100 Subject: ARM: Move platform memory reservations out of generic code Move the platform specific bootmem memory reservations out of arch/arm/mm/mmu.c into their respective platform files. Signed-off-by: Russell King --- arch/arm/include/asm/mach/arch.h | 1 + arch/arm/mach-clps711x/edb7211-arch.c | 8 ++++ arch/arm/mach-integrator/common.h | 1 + arch/arm/mach-integrator/core.c | 12 ++++++ arch/arm/mach-integrator/integrator_ap.c | 3 ++ arch/arm/mach-integrator/integrator_cp.c | 3 ++ arch/arm/mach-pxa/palmt5.c | 7 ++++ arch/arm/mach-pxa/palmtreo.c | 9 +++++ arch/arm/mach-s3c2410/mach-h1940.c | 9 +++++ arch/arm/mach-s3c2440/mach-rx1950.c | 9 +++++ arch/arm/mach-s3c2440/mach-rx3715.c | 9 +++++ arch/arm/mach-u300/u300.c | 17 +++++++++ arch/arm/mm/init.c | 5 ++- arch/arm/mm/mm.h | 3 +- arch/arm/mm/mmu.c | 63 ++------------------------------ arch/arm/mm/nommu.c | 2 +- 16 files changed, 98 insertions(+), 63 deletions(-) create mode 100644 arch/arm/mach-integrator/common.h (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h index c59842dc7cb..d425f2b6efe 100644 --- a/arch/arm/include/asm/mach/arch.h +++ b/arch/arm/include/asm/mach/arch.h @@ -37,6 +37,7 @@ struct machine_desc { void (*fixup)(struct machine_desc *, struct tag *, char **, struct meminfo *); + void (*reserve)(void);/* reserve mem blocks */ void (*map_io)(void);/* IO mapping function */ void (*init_irq)(void); struct sys_timer *timer; /* system tick timer */ diff --git a/arch/arm/mach-clps711x/edb7211-arch.c b/arch/arm/mach-clps711x/edb7211-arch.c index 41a4425617c..077f4051a06 100644 --- a/arch/arm/mach-clps711x/edb7211-arch.c +++ b/arch/arm/mach-clps711x/edb7211-arch.c @@ -18,6 +18,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include +#include #include #include @@ -29,6 +30,12 @@ extern void edb7211_map_io(void); +/* Reserve screen memory region at the start of main system memory. */ +static void __init edb7211_reserve(void) +{ + reserve_bootmem(PHYS_OFFSET, 0x00020000, BOOTMEM_DEFAULT); +} + static void __init fixup_edb7211(struct machine_desc *desc, struct tag *tags, char **cmdline, struct meminfo *mi) @@ -55,6 +62,7 @@ MACHINE_START(EDB7211, "CL-EDB7211 (EP7211 eval board)") .boot_params = 0xc0020100, /* 0xc0000000 - 0xc001ffff can be video RAM */ .fixup = fixup_edb7211, .map_io = edb7211_map_io, + .reserve = edb7211_reserve, .init_irq = clps711x_init_irq, .timer = &clps711x_timer, MACHINE_END diff --git a/arch/arm/mach-integrator/common.h b/arch/arm/mach-integrator/common.h new file mode 100644 index 00000000000..5f96e1518aa --- /dev/null +++ b/arch/arm/mach-integrator/common.h @@ -0,0 +1 @@ +void integrator_reserve(void); diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c index b02cfc06e0a..f815a1863f7 100644 --- a/arch/arm/mach-integrator/core.c +++ b/arch/arm/mach-integrator/core.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -30,6 +31,7 @@ #include #include #include +#include static struct amba_pl010_data integrator_uart_data; @@ -215,3 +217,13 @@ void cm_control(u32 mask, u32 set) } EXPORT_SYMBOL(cm_control); + +/* + * We need to stop things allocating the low memory; ideally we need a + * better implementation of GFP_DMA which does not assume that DMA-able + * memory starts at zero. + */ +void __init integrator_reserve(void) +{ + reserve_bootmem(PHYS_OFFSET, __pa(swapper_pg_dir) - PHYS_OFFSET, BOOTMEM_DEFAULT); +} diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index 227cf4d0508..6ab5a03ab9d 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -48,6 +48,8 @@ #include #include +#include "common.h" + /* * All IO addresses are mapped onto VA 0xFFFx.xxxx, where x.xxxx * is the (PA >> 12). @@ -502,6 +504,7 @@ MACHINE_START(INTEGRATOR, "ARM-Integrator") .io_pg_offst = ((0xf1600000) >> 18) & 0xfffc, .boot_params = 0x00000100, .map_io = ap_map_io, + .reserve = integrator_reserve, .init_irq = ap_init_irq, .timer = &ap_timer, .init_machine = ap_init, diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index cde57b2b83b..05db40e3c4f 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -43,6 +43,8 @@ #include +#include "common.h" + #define INTCP_PA_FLASH_BASE 0x24000000 #define INTCP_FLASH_SIZE SZ_32M @@ -601,6 +603,7 @@ MACHINE_START(CINTEGRATOR, "ARM-IntegratorCP") .io_pg_offst = ((0xf1600000) >> 18) & 0xfffc, .boot_params = 0x00000100, .map_io = intcp_map_io, + .reserve = integrator_reserve, .init_irq = intcp_init_irq, .timer = &cp_timer, .init_machine = intcp_init, diff --git a/arch/arm/mach-pxa/palmt5.c b/arch/arm/mach-pxa/palmt5.c index 5305a3993e6..39fd788ab63 100644 --- a/arch/arm/mach-pxa/palmt5.c +++ b/arch/arm/mach-pxa/palmt5.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include #include @@ -396,6 +397,11 @@ static void __init palmt5_udc_init(void) } } +static void __init palmt5_reserve(void) +{ + reserve_bootmem(0xa0200000, 0x1000, BOOTMEM_EXCLUSIVE); +} + static void __init palmt5_init(void) { pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config)); @@ -421,6 +427,7 @@ MACHINE_START(PALMT5, "Palm Tungsten|T5") .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .boot_params = 0xa0000100, .map_io = pxa_map_io, + .reserve = palmt5_reserve, .init_irq = pxa27x_init_irq, .timer = &pxa_timer, .init_machine = palmt5_init diff --git a/arch/arm/mach-pxa/palmtreo.c b/arch/arm/mach-pxa/palmtreo.c index d8b4469607a..f5db4f7d715 100644 --- a/arch/arm/mach-pxa/palmtreo.c +++ b/arch/arm/mach-pxa/palmtreo.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include #include @@ -633,6 +634,12 @@ static void __init treo_lcd_power_init(void) treo_lcd_screen.pxafb_lcd_power = treo_lcd_power; } +static void __init treo_reserve(void) +{ + reserve_bootmem(0xa0000000, 0x1000, BOOTMEM_EXCLUSIVE); + reserve_bootmem(0xa2000000, 0x1000, BOOTMEM_EXCLUSIVE); +} + static void __init treo_init(void) { pxa_set_ffuart_info(NULL); @@ -668,6 +675,7 @@ MACHINE_START(TREO680, "Palm Treo 680") .io_pg_offst = io_p2v(0x40000000), .boot_params = 0xa0000100, .map_io = pxa_map_io, + .reserve = treo_reserve, .init_irq = pxa27x_init_irq, .timer = &pxa_timer, .init_machine = treo680_init, @@ -691,6 +699,7 @@ MACHINE_START(CENTRO, "Palm Centro 685") .io_pg_offst = io_p2v(0x40000000), .boot_params = 0xa0000100, .map_io = pxa_map_io, + .reserve = treo_reserve, .init_irq = pxa27x_init_irq, .timer = &pxa_timer, .init_machine = centro_init, diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c index 779b45b3f80..2407aab4d1b 100644 --- a/arch/arm/mach-s3c2410/mach-h1940.c +++ b/arch/arm/mach-s3c2410/mach-h1940.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -304,6 +305,13 @@ static void __init h1940_map_io(void) s3c_pm_init(); } +/* H1940 and RX3715 need to reserve this for suspend */ +static void __init h1940_reserve(void) +{ + reserve_bootmem(0x30003000, 0x1000, BOOTMEM_DEFAULT); + reserve_bootmem(0x30081000, 0x1000, BOOTMEM_DEFAULT); +} + static void __init h1940_init_irq(void) { s3c24xx_init_irq(); @@ -346,6 +354,7 @@ MACHINE_START(H1940, "IPAQ-H1940") .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, .boot_params = S3C2410_SDRAM_PA + 0x100, .map_io = h1940_map_io, + .reserve = h1940_reserve, .init_irq = h1940_init_irq, .init_machine = h1940_init, .timer = &s3c24xx_timer, diff --git a/arch/arm/mach-s3c2440/mach-rx1950.c b/arch/arm/mach-s3c2440/mach-rx1950.c index 8603b577a24..f26d5d60c13 100644 --- a/arch/arm/mach-s3c2440/mach-rx1950.c +++ b/arch/arm/mach-s3c2440/mach-rx1950.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -570,12 +571,20 @@ static void __init rx1950_init_machine(void) platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices)); } +/* H1940 and RX3715 need to reserve this for suspend */ +static void __init rx1950_reserve(void) +{ + reserve_bootmem(0x30003000, 0x1000, BOOTMEM_DEFAULT); + reserve_bootmem(0x30081000, 0x1000, BOOTMEM_DEFAULT); +} + MACHINE_START(RX1950, "HP iPAQ RX1950") /* Maintainers: Vasily Khoruzhick */ .phys_io = S3C2410_PA_UART, .io_pg_offst = (((u32) S3C24XX_VA_UART) >> 18) & 0xfffc, .boot_params = S3C2410_SDRAM_PA + 0x100, .map_io = rx1950_map_io, + .reserve = rx1950_reserve, .init_irq = s3c24xx_init_irq, .init_machine = rx1950_init_machine, .timer = &s3c24xx_timer, diff --git a/arch/arm/mach-s3c2440/mach-rx3715.c b/arch/arm/mach-s3c2440/mach-rx3715.c index d2946de3f36..6ebdb7bcf08 100644 --- a/arch/arm/mach-s3c2440/mach-rx3715.c +++ b/arch/arm/mach-s3c2440/mach-rx3715.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -191,6 +192,13 @@ static void __init rx3715_map_io(void) s3c24xx_init_uarts(rx3715_uartcfgs, ARRAY_SIZE(rx3715_uartcfgs)); } +/* H1940 and RX3715 need to reserve this for suspend */ +static void __init rx3715_reserve(void) +{ + reserve_bootmem(0x30003000, 0x1000, BOOTMEM_DEFAULT); + reserve_bootmem(0x30081000, 0x1000, BOOTMEM_DEFAULT); +} + static void __init rx3715_init_irq(void) { s3c24xx_init_irq(); @@ -214,6 +222,7 @@ MACHINE_START(RX3715, "IPAQ-RX3715") .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, .boot_params = S3C2410_SDRAM_PA + 0x100, .map_io = rx3715_map_io, + .reserve = rx3715_reserve, .init_irq = rx3715_init_irq, .init_machine = rx3715_init_machine, .timer = &s3c24xx_timer, diff --git a/arch/arm/mach-u300/u300.c b/arch/arm/mach-u300/u300.c index d2a0b8847a1..178dca4f955 100644 --- a/arch/arm/mach-u300/u300.c +++ b/arch/arm/mach-u300/u300.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -22,6 +23,21 @@ #include #include +static void __init u300_reserve(void) +{ + /* + * U300 - This platform family can share physical memory + * between two ARM cpus, one running Linux and the other + * running another OS. + */ +#ifdef CONFIG_MACH_U300_SINGLE_RAM +#if ((CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1) == 1) && \ + CONFIG_MACH_U300_2MB_ALIGNMENT_FIX + reserve_bootmem(PHYS_OFFSET, 0x00100000, BOOTMEM_DEFAULT); +#endif +#endif +} + static void __init u300_init_machine(void) { u300_init_devices(); @@ -49,6 +65,7 @@ MACHINE_START(U300, MACH_U300_STRING) .io_pg_offst = ((U300_AHB_PER_VIRT_BASE) >> 18) & 0xfffc, .boot_params = BOOT_PARAMS_OFFSET, .map_io = u300_map_io, + .reserve = u300_reserve, .init_irq = u300_init_irq, .timer = &u300_timer, .init_machine = u300_init_machine, diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 4d2720888c5..1a227eea64b 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -358,7 +358,7 @@ static void arm_memory_present(struct meminfo *mi) } #endif -void __init bootmem_init(void) +void __init bootmem_init(struct machine_desc *mdesc) { struct meminfo *mi = &meminfo; unsigned long min, max_low, max_high; @@ -380,6 +380,9 @@ void __init bootmem_init(void) */ reserve_special_regions(); + if (mdesc->reserve) + mdesc->reserve(); + /* * If the initrd is present, reserve its memory. */ diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h index 7b19c90ab29..afafe4fc543 100644 --- a/arch/arm/mm/mm.h +++ b/arch/arm/mm/mm.h @@ -28,5 +28,6 @@ extern void __flush_dcache_page(struct address_space *mapping, struct page *page #endif -void __init bootmem_init(void); +struct machine_desc; +void __init bootmem_init(struct machine_desc *); void reserve_special_regions(void); diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index ddb1bee6de7..1676d017a93 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -17,7 +17,6 @@ #include #include -#include #include #include #include @@ -831,8 +830,6 @@ static inline void prepare_page_table(void) */ void __init reserve_special_regions(void) { - unsigned long res_size = 0; - /* * Register the kernel text and data with bootmem. * Note that this can only be in node 0. @@ -850,68 +847,14 @@ void __init reserve_special_regions(void) reserve_bootmem(__pa(swapper_pg_dir), PTRS_PER_PGD * sizeof(pgd_t), BOOTMEM_DEFAULT); - /* - * Hmm... This should go elsewhere, but we really really need to - * stop things allocating the low memory; ideally we need a better - * implementation of GFP_DMA which does not assume that DMA-able - * memory starts at zero. - */ - if (machine_is_integrator() || machine_is_cintegrator()) - res_size = __pa(swapper_pg_dir) - PHYS_OFFSET; - - /* - * These should likewise go elsewhere. They pre-reserve the - * screen memory region at the start of main system memory. - */ - if (machine_is_edb7211()) - res_size = 0x00020000; - if (machine_is_p720t()) - res_size = 0x00014000; - - /* H1940, RX3715 and RX1950 need to reserve this for suspend */ - - if (machine_is_h1940() || machine_is_rx3715() - || machine_is_rx1950()) { - reserve_bootmem(0x30003000, 0x1000, BOOTMEM_DEFAULT); - reserve_bootmem(0x30081000, 0x1000, BOOTMEM_DEFAULT); - } - - if (machine_is_palmld() || machine_is_palmtx()) { - reserve_bootmem(0xa0000000, 0x1000, BOOTMEM_EXCLUSIVE); - reserve_bootmem(0xa0200000, 0x1000, BOOTMEM_EXCLUSIVE); - } - - if (machine_is_treo680() || machine_is_centro()) { - reserve_bootmem(0xa0000000, 0x1000, BOOTMEM_EXCLUSIVE); - reserve_bootmem(0xa2000000, 0x1000, BOOTMEM_EXCLUSIVE); - } - - if (machine_is_palmt5()) - reserve_bootmem(0xa0200000, 0x1000, BOOTMEM_EXCLUSIVE); - - /* - * U300 - This platform family can share physical memory - * between two ARM cpus, one running Linux and the other - * running another OS. - */ - if (machine_is_u300()) { -#ifdef CONFIG_MACH_U300_SINGLE_RAM -#if ((CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1) == 1) && \ - CONFIG_MACH_U300_2MB_ALIGNMENT_FIX - res_size = 0x00100000; -#endif -#endif - } - #ifdef CONFIG_SA1111 /* * Because of the SA1111 DMA bug, we want to preserve our * precious DMA-able memory... */ - res_size = __pa(swapper_pg_dir) - PHYS_OFFSET; + reserve_bootmem(PHYS_OFFSET, __pa(swapper_pg_dir) - PHYS_OFFSET, + BOOTMEM_DEFAULT); #endif - if (res_size) - reserve_bootmem(PHYS_OFFSET, res_size, BOOTMEM_DEFAULT); } /* @@ -1056,7 +999,7 @@ void __init paging_init(struct machine_desc *mdesc) sanity_check_meminfo(); prepare_page_table(); map_lowmem(); - bootmem_init(); + bootmem_init(mdesc); devicemaps_init(mdesc); kmap_init(); diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index 25376d480b8..ed58ddbbc5b 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -46,7 +46,7 @@ void __init reserve_special_regions(void) */ void __init paging_init(struct machine_desc *mdesc) { - bootmem_init(); + bootmem_init(mdesc); } /* -- cgit v1.2.3-70-g09d2 From 2778f62056ada442414392d7ccd41188bb631619 Mon Sep 17 00:00:00 2001 From: Russell King Date: Fri, 9 Jul 2010 16:27:52 +0100 Subject: ARM: initial LMB trial Acked-by: Tony Lindgren Signed-off-by: Russell King --- arch/arm/Kconfig | 1 + arch/arm/include/asm/memblock.h | 15 ++++ arch/arm/kernel/setup.c | 3 + arch/arm/mm/init.c | 164 +++++++++++----------------------------- arch/arm/mm/mm.h | 2 +- arch/arm/mm/mmu.c | 34 ++++----- arch/arm/mm/nommu.c | 19 +---- 7 files changed, 83 insertions(+), 155 deletions(-) create mode 100644 arch/arm/include/asm/memblock.h (limited to 'arch/arm/include/asm') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 410edd65f11..36c8b5e1259 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -10,6 +10,7 @@ config ARM default y select HAVE_AOUT select HAVE_IDE + select HAVE_MEMBLOCK select RTC_LIB select SYS_SUPPORTS_APM_EMULATION select GENERIC_ATOMIC64 if (!CPU_32v6K) diff --git a/arch/arm/include/asm/memblock.h b/arch/arm/include/asm/memblock.h new file mode 100644 index 00000000000..3a1d58096f4 --- /dev/null +++ b/arch/arm/include/asm/memblock.h @@ -0,0 +1,15 @@ +#ifndef _ASM_ARM_MEMBLOCK_H +#define _ASM_ARM_MEMBLOCK_H + +#ifdef CONFIG_MMU +extern phys_addr_t lowmem_end_addr; +#define MEMBLOCK_REAL_LIMIT lowmem_end_addr +#else +#define MEMBLOCK_REAL_LIMIT 0 +#endif + +struct meminfo; + +extern void arm_memblock_init(struct meminfo *); + +#endif diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 387d2e9cb51..dfd29347775 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include @@ -715,6 +716,8 @@ void __init setup_arch(char **cmdline_p) parse_early_param(); + arm_memblock_init(&meminfo); + paging_init(mdesc); request_standard_resources(&meminfo, mdesc); diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 1a227eea64b..4877e06308b 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include @@ -146,95 +147,21 @@ static void __init find_limits(struct meminfo *mi, } } -/* - * FIXME: We really want to avoid allocating the bootmap bitmap - * over the top of the initrd. Hopefully, this is located towards - * the start of a bank, so if we allocate the bootmap bitmap at - * the end, we won't clash. - */ -static unsigned int __init -find_bootmap_pfn(struct meminfo *mi, unsigned int bootmap_pages) -{ - unsigned int start_pfn, i, bootmap_pfn; - - start_pfn = PAGE_ALIGN(__pa(_end)) >> PAGE_SHIFT; - bootmap_pfn = 0; - - for_each_bank(i, mi) { - struct membank *bank = &mi->bank[i]; - unsigned int start, end; - - start = bank_pfn_start(bank); - end = bank_pfn_end(bank); - - if (end < start_pfn) - continue; - - if (start < start_pfn) - start = start_pfn; - - if (end <= start) - continue; - - if (end - start >= bootmap_pages) { - bootmap_pfn = start; - break; - } - } - - if (bootmap_pfn == 0) - BUG(); - - return bootmap_pfn; -} - -static int __init check_initrd(struct meminfo *mi) -{ - int initrd = -2; -#ifdef CONFIG_BLK_DEV_INITRD - unsigned long end = phys_initrd_start + phys_initrd_size; - - /* - * Make sure that the initrd is within a valid area of - * memory. - */ - if (phys_initrd_size) { - unsigned int i; - - initrd = -1; - - for (i = 0; i < mi->nr_banks; i++) { - struct membank *bank = &mi->bank[i]; - if (bank_phys_start(bank) <= phys_initrd_start && - end <= bank_phys_end(bank)) - initrd = 0; - } - } - - if (initrd == -1) { - printk(KERN_ERR "INITRD: 0x%08lx+0x%08lx extends beyond " - "physical memory - disabling initrd\n", - phys_initrd_start, phys_initrd_size); - phys_initrd_start = phys_initrd_size = 0; - } -#endif - - return initrd; -} - static void __init arm_bootmem_init(struct meminfo *mi, unsigned long start_pfn, unsigned long end_pfn) { - unsigned long boot_pfn; unsigned int boot_pages; + phys_addr_t bitmap; pg_data_t *pgdat; int i; /* - * Allocate the bootmem bitmap page. + * Allocate the bootmem bitmap page. This must be in a region + * of memory which has already been mapped. */ boot_pages = bootmem_bootmap_pages(end_pfn - start_pfn); - boot_pfn = find_bootmap_pfn(mi, boot_pages); + bitmap = memblock_alloc_base(boot_pages << PAGE_SHIFT, L1_CACHE_BYTES, + __pfn_to_phys(end_pfn)); /* * Initialise the bootmem allocator, handing the @@ -242,7 +169,7 @@ static void __init arm_bootmem_init(struct meminfo *mi, */ node_set_online(0); pgdat = NODE_DATA(0); - init_bootmem_node(pgdat, boot_pfn, start_pfn, end_pfn); + init_bootmem_node(pgdat, __phys_to_pfn(bitmap), start_pfn, end_pfn); for_each_bank(i, mi) { struct membank *bank = &mi->bank[i]; @@ -251,30 +178,16 @@ static void __init arm_bootmem_init(struct meminfo *mi, } /* - * Reserve the bootmem bitmap. + * Reserve the memblock reserved regions in bootmem. */ - reserve_bootmem(boot_pfn << PAGE_SHIFT, - boot_pages << PAGE_SHIFT, BOOTMEM_DEFAULT); -} - -static void __init bootmem_reserve_initrd(void) -{ -#ifdef CONFIG_BLK_DEV_INITRD - int res; - - res = reserve_bootmem(phys_initrd_start, - phys_initrd_size, BOOTMEM_EXCLUSIVE); - - if (res == 0) { - initrd_start = __phys_to_virt(phys_initrd_start); - initrd_end = initrd_start + phys_initrd_size; - } else { - printk(KERN_ERR - "INITRD: 0x%08lx+0x%08lx overlaps in-use " - "memory region - disabling initrd\n", - phys_initrd_start, phys_initrd_size); + for (i = 0; i < memblock.reserved.cnt; i++) { + phys_addr_t start = memblock_start_pfn(&memblock.reserved, i); + if (start >= start_pfn && + memblock_end_pfn(&memblock.reserved, i) <= end_pfn) + reserve_bootmem_node(pgdat, __pfn_to_phys(start), + memblock_size_bytes(&memblock.reserved, i), + BOOTMEM_DEFAULT); } -#endif } static void __init arm_bootmem_free(struct meminfo *mi) @@ -358,16 +271,40 @@ static void arm_memory_present(struct meminfo *mi) } #endif +void __init arm_memblock_init(struct meminfo *mi) +{ + int i; + + memblock_init(); + for (i = 0; i < mi->nr_banks; i++) + memblock_add(mi->bank[i].start, mi->bank[i].size); + + /* Register the kernel text, kernel data and initrd with memblock. */ +#ifdef CONFIG_XIP_KERNEL + memblock_reserve(__pa(_data), _end - _data); +#else + memblock_reserve(__pa(_stext), _end - _stext); +#endif +#ifdef CONFIG_BLK_DEV_INITRD + if (phys_initrd_size) { + memblock_reserve(phys_initrd_start, phys_initrd_size); + + /* Now convert initrd to virtual addresses */ + initrd_start = __phys_to_virt(phys_initrd_start); + initrd_end = initrd_start + phys_initrd_size; + } +#endif + + arm_mm_memblock_reserve(); + + memblock_analyze(); + memblock_dump_all(); +} + void __init bootmem_init(struct machine_desc *mdesc) { struct meminfo *mi = &meminfo; unsigned long min, max_low, max_high; - int initrd; - - /* - * Locate the ramdisk image, if any. - */ - initrd = check_initrd(mi); max_low = max_high = 0; @@ -375,20 +312,9 @@ void __init bootmem_init(struct machine_desc *mdesc) arm_bootmem_init(mi, min, max_low); - /* - * Reserve any special regions. - */ - reserve_special_regions(); - if (mdesc->reserve) mdesc->reserve(); - /* - * If the initrd is present, reserve its memory. - */ - if (initrd == 0) - bootmem_reserve_initrd(); - /* * Sparsemem tries to allocate bootmem in memory_present(), * so must be done after the fixed reservations diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h index afafe4fc543..fcfffae69b4 100644 --- a/arch/arm/mm/mm.h +++ b/arch/arm/mm/mm.h @@ -30,4 +30,4 @@ extern void __flush_dcache_page(struct address_space *mapping, struct page *page struct machine_desc; void __init bootmem_init(struct machine_desc *); -void reserve_special_regions(void); +void arm_mm_memblock_reserve(void); diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 05dbb956175..833a6c3f70c 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -11,9 +11,9 @@ #include #include #include -#include #include #include +#include #include #include @@ -489,7 +489,9 @@ static void __init build_mem_type_table(void) static void __init *early_alloc(unsigned long sz) { - return alloc_bootmem_low_pages(sz); + void *ptr = __va(memblock_alloc(sz, sz)); + memset(ptr, 0, sz); + return ptr; } static pte_t * __init early_pte_alloc(pmd_t *pmd, unsigned long addr, unsigned long prot) @@ -705,10 +707,14 @@ static int __init early_vmalloc(char *arg) } early_param("vmalloc", early_vmalloc); +phys_addr_t lowmem_end_addr; + static void __init sanity_check_meminfo(void) { int i, j, highmem = 0; + lowmem_end_addr = __pa(vmalloc_min - 1) + 1; + for (i = 0, j = 0; i < meminfo.nr_banks; i++) { struct membank *bank = &meminfo.bank[j]; *bank = meminfo.bank[i]; @@ -834,34 +840,22 @@ static inline void prepare_page_table(void) } /* - * Reserve the various regions + * Reserve the special regions of memory */ -void __init reserve_special_regions(void) +void __init arm_mm_memblock_reserve(void) { - /* - * Register the kernel text and data with bootmem. - * Note that this can only be in node 0. - */ -#ifdef CONFIG_XIP_KERNEL - reserve_bootmem(__pa(_data), _end - _data, BOOTMEM_DEFAULT); -#else - reserve_bootmem(__pa(_stext), _end - _stext, BOOTMEM_DEFAULT); -#endif - /* * Reserve the page tables. These are already in use, * and can only be in node 0. */ - reserve_bootmem(__pa(swapper_pg_dir), - PTRS_PER_PGD * sizeof(pgd_t), BOOTMEM_DEFAULT); + memblock_reserve(__pa(swapper_pg_dir), PTRS_PER_PGD * sizeof(pgd_t)); #ifdef CONFIG_SA1111 /* * Because of the SA1111 DMA bug, we want to preserve our * precious DMA-able memory... */ - reserve_bootmem(PHYS_OFFSET, __pa(swapper_pg_dir) - PHYS_OFFSET, - BOOTMEM_DEFAULT); + memblock_reserve(PHYS_OFFSET, __pa(swapper_pg_dir) - PHYS_OFFSET); #endif } @@ -1004,7 +998,6 @@ void __init paging_init(struct machine_desc *mdesc) sanity_check_meminfo(); prepare_page_table(); map_lowmem(); - bootmem_init(mdesc); devicemaps_init(mdesc); kmap_init(); @@ -1012,6 +1005,9 @@ void __init paging_init(struct machine_desc *mdesc) /* allocate the zero page. */ zero_page = early_alloc(PAGE_SIZE); + + bootmem_init(mdesc); + empty_zero_page = virt_to_page(zero_page); __flush_dcache_page(NULL, empty_zero_page); } diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index ed58ddbbc5b..40e38fcccc7 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -6,8 +6,8 @@ #include #include #include -#include #include +#include #include #include @@ -17,27 +17,14 @@ #include "mm.h" -/* - * Reserve the various regions - */ -void __init reserve_special_regions(void) +void __init arm_mm_memblock_reserve(void) { - /* - * Register the kernel text and data with bootmem. - * Note that this can only be in node 0. - */ -#ifdef CONFIG_XIP_KERNEL - reserve_bootmem(__pa(_data), _end - _data, BOOTMEM_DEFAULT); -#else - reserve_bootmem(__pa(_stext), _end - _stext, BOOTMEM_DEFAULT); -#endif - /* * Register the exception vector page. * some architectures which the DRAM is the exception vector to trap, * alloc_page breaks with error, although it is not NULL, but "0." */ - reserve_bootmem(CONFIG_VECTORS_BASE, PAGE_SIZE, BOOTMEM_DEFAULT); + memblock_reserve(CONFIG_VECTORS_BASE, PAGE_SIZE); } /* -- cgit v1.2.3-70-g09d2 From 8d717a52d1b0959128be5134dd12608e8e4f2115 Mon Sep 17 00:00:00 2001 From: Russell King Date: Sat, 22 May 2010 19:47:18 +0100 Subject: ARM: Convert platform reservations to use LMB rather than bootmem Signed-off-by: Russell King --- arch/arm/include/asm/memblock.h | 3 ++- arch/arm/kernel/setup.c | 2 +- arch/arm/mach-clps711x/edb7211-arch.c | 4 ++-- arch/arm/mach-integrator/core.c | 4 ++-- arch/arm/mach-pxa/palmt5.c | 4 ++-- arch/arm/mach-pxa/palmtreo.c | 6 +++--- arch/arm/mach-s3c2410/mach-h1940.c | 6 +++--- arch/arm/mach-s3c2440/mach-rx1950.c | 6 +++--- arch/arm/mach-s3c2440/mach-rx3715.c | 6 +++--- arch/arm/mach-u300/u300.c | 4 ++-- arch/arm/mm/init.c | 11 ++++++----- arch/arm/mm/mm.h | 3 +-- arch/arm/mm/mmu.c | 2 +- arch/arm/mm/nommu.c | 2 +- 14 files changed, 32 insertions(+), 31 deletions(-) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/memblock.h b/arch/arm/include/asm/memblock.h index 3a1d58096f4..fdbc43b2e6c 100644 --- a/arch/arm/include/asm/memblock.h +++ b/arch/arm/include/asm/memblock.h @@ -9,7 +9,8 @@ extern phys_addr_t lowmem_end_addr; #endif struct meminfo; +struct machine_desc; -extern void arm_memblock_init(struct meminfo *); +extern void arm_memblock_init(struct meminfo *, struct machine_desc *); #endif diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index dfd29347775..31b2643bb0c 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -716,7 +716,7 @@ void __init setup_arch(char **cmdline_p) parse_early_param(); - arm_memblock_init(&meminfo); + arm_memblock_init(&meminfo, mdesc); paging_init(mdesc); request_standard_resources(&meminfo, mdesc); diff --git a/arch/arm/mach-clps711x/edb7211-arch.c b/arch/arm/mach-clps711x/edb7211-arch.c index 077f4051a06..4a7a2322979 100644 --- a/arch/arm/mach-clps711x/edb7211-arch.c +++ b/arch/arm/mach-clps711x/edb7211-arch.c @@ -18,7 +18,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include -#include +#include #include #include @@ -33,7 +33,7 @@ extern void edb7211_map_io(void); /* Reserve screen memory region at the start of main system memory. */ static void __init edb7211_reserve(void) { - reserve_bootmem(PHYS_OFFSET, 0x00020000, BOOTMEM_DEFAULT); + memblock_reserve(PHYS_OFFSET, 0x00020000); } static void __init diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c index f815a1863f7..bcb26f01b26 100644 --- a/arch/arm/mach-integrator/core.c +++ b/arch/arm/mach-integrator/core.c @@ -14,7 +14,7 @@ #include #include #include -#include +#include #include #include #include @@ -225,5 +225,5 @@ EXPORT_SYMBOL(cm_control); */ void __init integrator_reserve(void) { - reserve_bootmem(PHYS_OFFSET, __pa(swapper_pg_dir) - PHYS_OFFSET, BOOTMEM_DEFAULT); + memblock_reserve(PHYS_OFFSET, __pa(swapper_pg_dir) - PHYS_OFFSET); } diff --git a/arch/arm/mach-pxa/palmt5.c b/arch/arm/mach-pxa/palmt5.c index 39fd788ab63..5e92d84fe50 100644 --- a/arch/arm/mach-pxa/palmt5.c +++ b/arch/arm/mach-pxa/palmt5.c @@ -21,7 +21,7 @@ #include #include #include -#include +#include #include #include #include @@ -399,7 +399,7 @@ static void __init palmt5_udc_init(void) static void __init palmt5_reserve(void) { - reserve_bootmem(0xa0200000, 0x1000, BOOTMEM_EXCLUSIVE); + memblock_reserve(0xa0200000, 0x1000); } static void __init palmt5_init(void) diff --git a/arch/arm/mach-pxa/palmtreo.c b/arch/arm/mach-pxa/palmtreo.c index f5db4f7d715..3d0c9cc2a40 100644 --- a/arch/arm/mach-pxa/palmtreo.c +++ b/arch/arm/mach-pxa/palmtreo.c @@ -20,7 +20,7 @@ #include #include #include -#include +#include #include #include #include @@ -636,8 +636,8 @@ static void __init treo_lcd_power_init(void) static void __init treo_reserve(void) { - reserve_bootmem(0xa0000000, 0x1000, BOOTMEM_EXCLUSIVE); - reserve_bootmem(0xa2000000, 0x1000, BOOTMEM_EXCLUSIVE); + memblock_reserve(0xa0000000, 0x1000); + memblock_reserve(0xa2000000, 0x1000); } static void __init treo_init(void) diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c index 2407aab4d1b..3ba3bab139d 100644 --- a/arch/arm/mach-s3c2410/mach-h1940.c +++ b/arch/arm/mach-s3c2410/mach-h1940.c @@ -15,7 +15,7 @@ #include #include #include -#include +#include #include #include #include @@ -308,8 +308,8 @@ static void __init h1940_map_io(void) /* H1940 and RX3715 need to reserve this for suspend */ static void __init h1940_reserve(void) { - reserve_bootmem(0x30003000, 0x1000, BOOTMEM_DEFAULT); - reserve_bootmem(0x30081000, 0x1000, BOOTMEM_DEFAULT); + memblock_reserve(0x30003000, 0x1000); + memblock_reserve(0x30081000, 0x1000); } static void __init h1940_init_irq(void) diff --git a/arch/arm/mach-s3c2440/mach-rx1950.c b/arch/arm/mach-s3c2440/mach-rx1950.c index f26d5d60c13..142d1f92117 100644 --- a/arch/arm/mach-s3c2440/mach-rx1950.c +++ b/arch/arm/mach-s3c2440/mach-rx1950.c @@ -15,7 +15,7 @@ #include #include #include -#include +#include #include #include #include @@ -574,8 +574,8 @@ static void __init rx1950_init_machine(void) /* H1940 and RX3715 need to reserve this for suspend */ static void __init rx1950_reserve(void) { - reserve_bootmem(0x30003000, 0x1000, BOOTMEM_DEFAULT); - reserve_bootmem(0x30081000, 0x1000, BOOTMEM_DEFAULT); + memblock_reserve(0x30003000, 0x1000); + memblock_reserve(0x30081000, 0x1000); } MACHINE_START(RX1950, "HP iPAQ RX1950") diff --git a/arch/arm/mach-s3c2440/mach-rx3715.c b/arch/arm/mach-s3c2440/mach-rx3715.c index 6ebdb7bcf08..6bb44f75a9c 100644 --- a/arch/arm/mach-s3c2440/mach-rx3715.c +++ b/arch/arm/mach-s3c2440/mach-rx3715.c @@ -15,7 +15,7 @@ #include #include #include -#include +#include #include #include #include @@ -195,8 +195,8 @@ static void __init rx3715_map_io(void) /* H1940 and RX3715 need to reserve this for suspend */ static void __init rx3715_reserve(void) { - reserve_bootmem(0x30003000, 0x1000, BOOTMEM_DEFAULT); - reserve_bootmem(0x30081000, 0x1000, BOOTMEM_DEFAULT); + memblock_reserve(0x30003000, 0x1000); + memblock_reserve(0x30081000, 0x1000); } static void __init rx3715_init_irq(void) diff --git a/arch/arm/mach-u300/u300.c b/arch/arm/mach-u300/u300.c index 178dca4f955..bfcda982088 100644 --- a/arch/arm/mach-u300/u300.c +++ b/arch/arm/mach-u300/u300.c @@ -14,7 +14,7 @@ #include #include #include -#include +#include #include #include #include @@ -33,7 +33,7 @@ static void __init u300_reserve(void) #ifdef CONFIG_MACH_U300_SINGLE_RAM #if ((CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1) == 1) && \ CONFIG_MACH_U300_2MB_ALIGNMENT_FIX - reserve_bootmem(PHYS_OFFSET, 0x00100000, BOOTMEM_DEFAULT); + memblock_reserve(PHYS_OFFSET, 0x00100000); #endif #endif } diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 4877e06308b..99d6bc9b89b 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -271,7 +271,7 @@ static void arm_memory_present(struct meminfo *mi) } #endif -void __init arm_memblock_init(struct meminfo *mi) +void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc) { int i; @@ -297,11 +297,15 @@ void __init arm_memblock_init(struct meminfo *mi) arm_mm_memblock_reserve(); + /* reserve any platform specific memblock areas */ + if (mdesc->reserve) + mdesc->reserve(); + memblock_analyze(); memblock_dump_all(); } -void __init bootmem_init(struct machine_desc *mdesc) +void __init bootmem_init(void) { struct meminfo *mi = &meminfo; unsigned long min, max_low, max_high; @@ -312,9 +316,6 @@ void __init bootmem_init(struct machine_desc *mdesc) arm_bootmem_init(mi, min, max_low); - if (mdesc->reserve) - mdesc->reserve(); - /* * Sparsemem tries to allocate bootmem in memory_present(), * so must be done after the fixed reservations diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h index fcfffae69b4..6630620380a 100644 --- a/arch/arm/mm/mm.h +++ b/arch/arm/mm/mm.h @@ -28,6 +28,5 @@ extern void __flush_dcache_page(struct address_space *mapping, struct page *page #endif -struct machine_desc; -void __init bootmem_init(struct machine_desc *); +void __init bootmem_init(void); void arm_mm_memblock_reserve(void); diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 833a6c3f70c..d5541adc352 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -1006,7 +1006,7 @@ void __init paging_init(struct machine_desc *mdesc) /* allocate the zero page. */ zero_page = early_alloc(PAGE_SIZE); - bootmem_init(mdesc); + bootmem_init(); empty_zero_page = virt_to_page(zero_page); __flush_dcache_page(NULL, empty_zero_page); diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index 40e38fcccc7..687d02319a4 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -33,7 +33,7 @@ void __init arm_mm_memblock_reserve(void) */ void __init paging_init(struct machine_desc *mdesc) { - bootmem_init(mdesc); + bootmem_init(); } /* -- cgit v1.2.3-70-g09d2