diff options
Diffstat (limited to 'arch/arm/mm/copypage-v6.c')
-rw-r--r-- | arch/arm/mm/copypage-v6.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c index 865777dec161..3adb79257f43 100644 --- a/arch/arm/mm/copypage-v6.c +++ b/arch/arm/mm/copypage-v6.c | |||
@@ -53,6 +53,10 @@ static void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned lo | |||
53 | { | 53 | { |
54 | unsigned int offset = CACHE_COLOUR(vaddr); | 54 | unsigned int offset = CACHE_COLOUR(vaddr); |
55 | unsigned long from, to; | 55 | unsigned long from, to; |
56 | struct page *page = virt_to_page(kfrom); | ||
57 | |||
58 | if (test_and_clear_bit(PG_dcache_dirty, &page->flags)) | ||
59 | __flush_dcache_page(page_mapping(page), page); | ||
56 | 60 | ||
57 | /* | 61 | /* |
58 | * Discard data in the kernel mapping for the new page. | 62 | * Discard data in the kernel mapping for the new page. |