diff --git a/[refs] b/[refs]
index 323baf5ea482..b84f92074db4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 08ef472937e918875a82fd350d3de138aac50414
+refs/heads/master: d296e9cd02c92e576ecce5344026a4df4353cdb2
diff --git a/trunk/mm/memory.c b/trunk/mm/memory.c
index b8846cf2358a..1c0a3db78a05 100644
--- a/trunk/mm/memory.c
+++ b/trunk/mm/memory.c
@@ -1239,7 +1239,7 @@ static int do_wp_page(struct mm_struct *mm, struct vm_area_struct * vma,
 	}
 	old_page = pfn_to_page(pfn);
 
-	if (!TestSetPageLocked(old_page)) {
+	if (PageAnon(old_page) && !TestSetPageLocked(old_page)) {
 		int reuse = can_share_swap_page(old_page);
 		unlock_page(old_page);
 		if (reuse) {