diff --git a/[refs] b/[refs]
index 36f503277369..61fe8b3d221e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8493ae439f7038b502df1d687e61dde54c27ca92
+refs/heads/master: 3751d60430fe4c26460a5ca8ad8672d32f93bcb1
diff --git a/trunk/mm/memcontrol.c b/trunk/mm/memcontrol.c
index fc75f34ba609..da53a252b259 100644
--- a/trunk/mm/memcontrol.c
+++ b/trunk/mm/memcontrol.c
@@ -612,8 +612,10 @@ static void mem_cgroup_charge_statistics(struct mem_cgroup *mem,
 	/* pagein of a big page is an event. So, ignore page size */
 	if (nr_pages > 0)
 		__this_cpu_inc(mem->stat->count[MEM_CGROUP_STAT_PGPGIN_COUNT]);
-	else
+	else {
 		__this_cpu_inc(mem->stat->count[MEM_CGROUP_STAT_PGPGOUT_COUNT]);
+		nr_pages = -nr_pages; /* for event */
+	}
 
 	__this_cpu_add(mem->stat->count[MEM_CGROUP_EVENTS], nr_pages);