diff --git a/mm/filemap.c b/mm/filemap.c
index e373692..698ea80 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2232,6 +2232,9 @@
 		if (unlikely(status))
 			break;
 
+		if (mapping_writably_mapped(mapping))
+			flush_dcache_page(page);
+
 		pagefault_disable();
 		copied = iov_iter_copy_from_user_atomic(page, i, offset, bytes);
 		pagefault_enable();