diff --git a/[refs] b/[refs]
index f3d2062cc4ca..edcef0fa5fc2 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 14fd403f2146f740942d78af4e0ee59396ad8eab
+refs/heads/master: 59ff421631295cd54dbf75dcc53d27e84af6d9c0
diff --git a/trunk/mm/page_alloc.c b/trunk/mm/page_alloc.c
index 8be81422d4bd..6e62d5f9d40b 100644
--- a/trunk/mm/page_alloc.c
+++ b/trunk/mm/page_alloc.c
@@ -357,6 +357,7 @@ void prep_compound_page(struct page *page, unsigned long order)
 	}
 }
 
+/* update __split_huge_page_refcount if you change this function */
 static int destroy_compound_page(struct page *page, unsigned long order)
 {
 	int i;