diff options
Diffstat (limited to 'arch/arm/mm/flush.c')
| -rw-r--r-- | arch/arm/mm/flush.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index 1c8f7f564175..7f32f9625954 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -17,6 +17,7 @@ #include <asm/highmem.h> #include <asm/smp_plat.h> #include <asm/tlbflush.h> +#include <linux/hugetlb.h> #include "mm.h" @@ -168,17 +169,22 @@ void __flush_dcache_page(struct address_space *mapping, struct page *page) * coherent with the kernels mapping. */ if (!PageHighMem(page)) { - __cpuc_flush_dcache_area(page_address(page), PAGE_SIZE); + size_t page_size = PAGE_SIZE << compound_order(page); + __cpuc_flush_dcache_area(page_address(page), page_size); } else { - void *addr = kmap_high_get(page); - if (addr) { - __cpuc_flush_dcache_area(addr, PAGE_SIZE); - kunmap_high(page); - } else if (cache_is_vipt()) { - /* unmapped pages might still be cached */ - addr = kmap_atomic(page); - __cpuc_flush_dcache_area(addr, PAGE_SIZE); - kunmap_atomic(addr); + unsigned long i; + for(i = 0; i < (1 << compound_order(page)); i++) { + struct page *cpage = page + i; + void *addr = kmap_high_get(cpage); + if (addr) { + __cpuc_flush_dcache_area(addr, PAGE_SIZE); + kunmap_high(cpage); + } else if (cache_is_vipt()) { + /* unmapped pages might still be cached */ + addr = kmap_atomic(cpage); + __cpuc_flush_dcache_area(addr, PAGE_SIZE); + kunmap_atomic(addr); + } } } |