diff --git a/mm/migrate.c b/mm/migrate.c
index 89e5c3f..b0406d7 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -633,7 +633,7 @@
 	struct page *newpage = get_new_page(page, private, &result);
 	int remap_swapcache = 1;
 	int charge = 0;
-	struct mem_cgroup *mem = NULL;
+	struct mem_cgroup *mem;
 	struct anon_vma *anon_vma = NULL;
 
 	if (!newpage)