diff --git a/[refs] b/[refs]
index a30b2d0d6e69..cf1d26e83d19 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 97e2bde47f886a317909c8a8f9bd2fcd8ce2f0b0
+refs/heads/master: 552fca4cbe552520d85b21e839f289c880fa48d2
diff --git a/trunk/fs/mpage.c b/trunk/fs/mpage.c
index e7d8d1a77606..3923facf94eb 100644
--- a/trunk/fs/mpage.c
+++ b/trunk/fs/mpage.c
@@ -727,6 +727,8 @@ __mpage_writepages(struct address_space *mapping,
 						&last_block_in_bio, &ret, wbc,
 						writepage_fn);
 			}
+			if (unlikely(ret == WRITEPAGE_ACTIVATE))
+				unlock_page(page);
 			if (ret || (--(wbc->nr_to_write) <= 0))
 				done = 1;
 			if (wbc->nonblocking && bdi_write_congested(bdi)) {