X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=mm%2Frmap.c;h=b2cebf35ffe7a02196a864dca06a5ae7b2b1ff74;hb=98e2e409e76ef7781d8511f997359e9c504a95c1;hp=b9eb5c12f3fe10bc83ce0d26d3f804d7f252f517;hpb=ba31f97d43be41ca99ab72a6131d7c226306865f;p=linux-2.6-microblaze.git

diff --git a/mm/rmap.c b/mm/rmap.c
index b9eb5c12f3fe..b2cebf35ffe7 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1230,11 +1230,13 @@ void page_add_file_rmap(struct page *page, bool compound)
 						nr_pages);
 	} else {
 		if (PageTransCompound(page) && page_mapping(page)) {
+			struct page *head = compound_head(page);
+
 			VM_WARN_ON_ONCE(!PageLocked(page));
 
-			SetPageDoubleMap(compound_head(page));
+			SetPageDoubleMap(head);
 			if (PageMlocked(page))
-				clear_page_mlock(compound_head(page));
+				clear_page_mlock(head);
 		}
 		if (!atomic_inc_and_test(&page->_mapcount))
 			goto out;