diff options
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 21 | ||||
| -rw-r--r-- | init/initramfs.c | 6 | ||||
| -rw-r--r-- | init/main.c | 21 | ||||
| -rw-r--r-- | init/version.c | 6 |
4 files changed, 34 insertions, 20 deletions
diff --git a/init/Kconfig b/init/Kconfig index 14d484606fa..a3f83e2c825 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -304,6 +304,15 @@ config TASK_XACCT Say N if unsure. +config TASK_IO_ACCOUNTING + bool "Enable per-task storage I/O accounting (EXPERIMENTAL)" + depends on TASK_XACCT + help + Collect information on the number of bytes of storage I/O which this + task has caused. + + Say N if unsure. + config SYSCTL bool @@ -339,7 +348,7 @@ config SYSCTL_SYSCALL If unsure say Y here. config KALLSYMS - bool "Load all symbols for debugging/kksymoops" if EMBEDDED + bool "Load all symbols for debugging/ksymoops" if EMBEDDED default y help Say Y here to let the kernel print out symbolic crash information and @@ -441,7 +450,7 @@ config SHMEM config SLAB default y - bool "Use full SLAB allocator" if EMBEDDED + bool "Use full SLAB allocator" if (EMBEDDED && !SMP && !SPARSEMEM) help Disabling this replaces the advanced SLAB allocator and kmalloc support with the drastically simpler SLOB allocator. @@ -452,10 +461,10 @@ config VM_EVENT_COUNTERS default y bool "Enable VM event counters for /proc/vmstat" if EMBEDDED help - VM event counters are only needed to for event counts to be - shown. They have no function for the kernel itself. This - option allows the disabling of the VM event counters. - /proc/vmstat will only show page counts. + VM event counters are needed for event counts to be shown. + This option allows the disabling of the VM event counters + on EMBEDDED systems. /proc/vmstat will only show page counts + if VM event counters are disabled. endmenu # General setup diff --git a/init/initramfs.c b/init/initramfs.c index 85f04037ade..4fa0f7977de 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -526,7 +526,7 @@ static void __init free_initrd(void) #endif -void __init populate_rootfs(void) +static int __init populate_rootfs(void) { char *err = unpack_to_rootfs(__initramfs_start, __initramfs_end - __initramfs_start, 0); @@ -544,7 +544,7 @@ void __init populate_rootfs(void) unpack_to_rootfs((char *)initrd_start, initrd_end - initrd_start, 0); free_initrd(); - return; + return 0; } printk("it isn't (%s); looks like an initrd\n", err); fd = sys_open("/initrd.image", O_WRONLY|O_CREAT, 0700); @@ -565,4 +565,6 @@ void __init populate_rootfs(void) #endif } #endif + return 0; } +rootfs_initcall(populate_rootfs); diff --git a/init/main.c b/init/main.c index 1174ae3aec8..8b4a7d76916 100644 --- a/init/main.c +++ b/init/main.c @@ -50,6 +50,8 @@ #include <linux/buffer_head.h> #include <linux/debug_locks.h> #include <linux/lockdep.h> +#include <linux/pid_namespace.h> +#include <linux/device.h> #include <asm/io.h> #include <asm/bugs.h> @@ -91,8 +93,6 @@ extern void pidmap_init(void); extern void prio_tree_init(void); extern void radix_tree_init(void); extern void free_initmem(void); -extern void populate_rootfs(void); -extern void driver_init(void); extern void prepare_namespace(void); #ifdef CONFIG_ACPI extern void acpi_early_init(void); @@ -530,6 +530,11 @@ asmlinkage void __init start_kernel(void) parse_args("Booting kernel", command_line, __start___param, __stop___param - __start___param, &unknown_bootoption); + if (!irqs_disabled()) { + printk(KERN_WARNING "start_kernel(): bug: interrupts were " + "enabled *very* early, fixing it\n"); + local_irq_disable(); + } sort_main_extable(); trap_init(); rcu_init(); @@ -624,8 +629,6 @@ static int __init initcall_debug_setup(char *str) } __setup("initcall_debug", initcall_debug_setup); -struct task_struct *child_reaper = &init_task; - extern initcall_t __initcall_start[], __initcall_end[]; static void __init do_initcalls(void) @@ -692,7 +695,7 @@ static void __init do_basic_setup(void) do_initcalls(); } -static void do_pre_smp_initcalls(void) +static void __init do_pre_smp_initcalls(void) { extern int spawn_ksoftirqd(void); #ifdef CONFIG_SMP @@ -725,7 +728,7 @@ static int init(void * unused) * assumptions about where in the task array this * can be found. */ - child_reaper = current; + init_pid_ns.child_reaper = current; cad_pid = task_pid(current); @@ -738,12 +741,6 @@ static int init(void * unused) cpuset_init_smp(); - /* - * Do this before initcalls, because some drivers want to access - * firmware files. - */ - populate_rootfs(); - do_basic_setup(); /* diff --git a/init/version.c b/init/version.c index 8f28344d9c7..6c01ec1cc48 100644 --- a/init/version.c +++ b/init/version.c @@ -34,6 +34,12 @@ struct uts_namespace init_uts_ns = { }; EXPORT_SYMBOL_GPL(init_uts_ns); +/* FIXED STRINGS! Don't touch! */ const char linux_banner[] = "Linux version " UTS_RELEASE " (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") " UTS_VERSION "\n"; + +const char linux_proc_banner[] = + "%s version %s" + " (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ")" + " (" LINUX_COMPILER ") %s\n"; |