diff options
author | Paul Mackerras <paulus@samba.org> | 2006-12-04 15:59:07 +1100 |
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committer | Paul Mackerras <paulus@samba.org> | 2006-12-04 15:59:07 +1100 |
commit | 79acbb3ff2d8095b692e1502b9eb2ccec348de26 (patch) | |
tree | 6ab773e5a8f9de2cd6443362b21d0d6fffe3b35e /arch/arm/mm | |
parent | 19a79859e168640f8e16d7b216d211c1c52b687a (diff) | |
parent | 2b5f6dcce5bf94b9b119e9ed8d537098ec61c3d2 (diff) |
Merge branch 'linux-2.6' into for-linus
Diffstat (limited to 'arch/arm/mm')
-rw-r--r-- | arch/arm/mm/Kconfig | 2 | ||||
-rw-r--r-- | arch/arm/mm/consistent.c | 3 | ||||
-rw-r--r-- | arch/arm/mm/init.c | 61 | ||||
-rw-r--r-- | arch/arm/mm/proc-xscale.S | 2 |
4 files changed, 39 insertions, 29 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index c0bfb8212b7..b09a19f87d6 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -197,7 +197,7 @@ config CPU_ARM940T select CPU_CP15_MPU help ARM940T is a member of the ARM9TDMI family of general- - purpose microprocessors with MPU and seperate 4KB + purpose microprocessors with MPU and separate 4KB instruction and 4KB data cases, each with a 4-word line length. diff --git a/arch/arm/mm/consistent.c b/arch/arm/mm/consistent.c index 50e6b6bfb2e..b797217e82b 100644 --- a/arch/arm/mm/consistent.c +++ b/arch/arm/mm/consistent.c @@ -476,6 +476,9 @@ core_initcall(consistent_init); /* * Make an area consistent for devices. + * Note: Drivers should NOT use this function directly, as it will break + * platforms with CONFIG_DMABOUNCE. + * Use the driver DMA support - see dma-mapping.h (dma_sync_*) */ void consistent_sync(void *vaddr, size_t size, int direction) { diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 22217fe2650..b5814b4b6f3 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -32,40 +32,51 @@ extern unsigned long phys_initrd_start; extern unsigned long phys_initrd_size; /* - * The sole use of this is to pass memory configuration - * data from paging_init to mem_init. + * This is used to pass memory configuration data from paging_init + * to mem_init, and by show_mem() to skip holes in the memory map. */ -static struct meminfo meminfo __initdata = { 0, }; +static struct meminfo meminfo = { 0, }; + +#define for_each_nodebank(iter,mi,no) \ + for (iter = 0; iter < mi->nr_banks; iter++) \ + if (mi->bank[iter].node == no) void show_mem(void) { int free = 0, total = 0, reserved = 0; - int shared = 0, cached = 0, slab = 0, node; + int shared = 0, cached = 0, slab = 0, node, i; + struct meminfo * mi = &meminfo; printk("Mem-info:\n"); show_free_areas(); printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10)); for_each_online_node(node) { - struct page *page, *end; - - page = NODE_MEM_MAP(node); - end = page + NODE_DATA(node)->node_spanned_pages; - - 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_nodebank (i,mi,node) { + unsigned int pfn1, pfn2; + struct page *page, *end; + + pfn1 = mi->bank[i].start >> PAGE_SHIFT; + pfn2 = (mi->bank[i].size + mi->bank[i].start) >> PAGE_SHIFT; + + page = NODE_MEM_MAP(node) + pfn1; + end = NODE_MEM_MAP(node) + pfn2; + + 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); @@ -76,10 +87,6 @@ void show_mem(void) printk("%d pages swap cached\n", cached); } -#define for_each_nodebank(iter,mi,no) \ - for (iter = 0; iter < mi->nr_banks; iter++) \ - if (mi->bank[iter].node == no) - /* * FIXME: We really want to avoid allocating the bootmap bitmap * over the top of the initrd. Hopefully, this is located towards diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S index e8b377d637f..2749c1f88d7 100644 --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S @@ -909,7 +909,7 @@ __pxa270_proc_info: b __xscale_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_IWMMXT .long cpu_pxa270_name .long xscale_processor_functions .long v4wbi_tlb_fns |