diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index 8c6e8e996c875433f82a9a735c1b03c0a9baff02..8e7e50a53a1290cc029228f6f1440a14ccb3053a 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -318,6 +318,7 @@ static inline void memcpy_to_page(struct page *page, size_t offset,
 
 	VM_BUG_ON(offset + len > PAGE_SIZE);
 	memcpy(to + offset, from, len);
+	flush_dcache_page(page);
 	kunmap_local(to);
 }
 
@@ -325,6 +326,7 @@ static inline void memzero_page(struct page *page, size_t offset, size_t len)
 {
 	char *addr = kmap_atomic(page);
 	memset(addr + offset, 0, len);
+	flush_dcache_page(page);
 	kunmap_atomic(addr);
 }