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 865777d..3adb792 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 { unsigned int offset = CACHE_COLOUR(vaddr); unsigned long from, to; + struct page *page = virt_to_page(kfrom); + + if (test_and_clear_bit(PG_dcache_dirty, &page->flags)) + __flush_dcache_page(page_mapping(page), page); /* * Discard data in the kernel mapping for the new page. |