diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index c871505..aa66cc4 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -149,7 +149,7 @@
 	 * matches memcg->dead_count of the hierarchy root group.
 	 */
 	struct mem_cgroup *last_visited;
-	unsigned long last_dead_count;
+	int last_dead_count;
 
 	/* scan generation, increased every round-trip */
 	unsigned int generation;