diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-12-28 09:23:13 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-12-28 09:23:13 +0100 |
| commit | 605c1a187f3ce82fbc243e2163c5ca8d1926df8e (patch) | |
| tree | c8065a8c5606a66f81dc494ce22a5baa5e0dfe7e /arch/powerpc/mm/mem.c | |
| parent | 17a2a9b57a9a7d2fd8f97df951b5e63e0bd56ef5 (diff) | |
| parent | ce9277fb08e6e721482f7011ca28dcd0449b197c (diff) | |
Merge branch 'iommu/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent
Diffstat (limited to 'arch/powerpc/mm/mem.c')
| -rw-r--r-- | arch/powerpc/mm/mem.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 59736317bf0..b9b152558f9 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -32,6 +32,7 @@ #include <linux/pagemap.h> #include <linux/suspend.h> #include <linux/lmb.h> +#include <linux/hugetlb.h> #include <asm/pgalloc.h> #include <asm/prom.h> @@ -417,18 +418,26 @@ EXPORT_SYMBOL(flush_dcache_page); void flush_dcache_icache_page(struct page *page) { +#ifdef CONFIG_HUGETLB_PAGE + if (PageCompound(page)) { + flush_dcache_icache_hugepage(page); + return; + } +#endif #ifdef CONFIG_BOOKE - void *start = kmap_atomic(page, KM_PPC_SYNC_ICACHE); - __flush_dcache_icache(start); - kunmap_atomic(start, KM_PPC_SYNC_ICACHE); + { + void *start = kmap_atomic(page, KM_PPC_SYNC_ICACHE); + __flush_dcache_icache(start); + kunmap_atomic(start, KM_PPC_SYNC_ICACHE); + } #elif defined(CONFIG_8xx) || defined(CONFIG_PPC64) /* On 8xx there is no need to kmap since highmem is not supported */ __flush_dcache_icache(page_address(page)); #else __flush_dcache_icache_phys(page_to_pfn(page) << PAGE_SHIFT); #endif - } + void clear_user_page(void *page, unsigned long vaddr, struct page *pg) { clear_page(page); |