X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=mm%2Frmap.c;h=6aebd1747251212fc42e0681c216382f4fce8045;hb=276aeee1c5fc00df700f0782060beae126600472;hp=2d29a57d29e8d2021588b17c306bc6f5199c7d97;hpb=27151f177827d478508e756c7657273261aaf8a9;p=linux-2.6-microblaze.git

diff --git a/mm/rmap.c b/mm/rmap.c
index 2d29a57d29e8..6aebd1747251 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1231,11 +1231,13 @@ 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;