diff --git a/[refs] b/[refs]
index 76b1e117375a..5323294be157 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 345227d705f2318e9bc088e79fe71a38bb5fe82b
+refs/heads/master: 2abae55f5a41d29f21b5b259c33d218c950d5c90
diff --git a/trunk/block/cfq-iosched.c b/trunk/block/cfq-iosched.c
index d646b279c8bb..0316f6eece03 100644
--- a/trunk/block/cfq-iosched.c
+++ b/trunk/block/cfq-iosched.c
@@ -3940,6 +3940,11 @@ static void cfq_exit_queue(struct elevator_queue *e)
 	 */
 	if (wait)
 		synchronize_rcu();
+
+#ifdef CONFIG_CFQ_GROUP_IOSCHED
+	/* Free up per cpu stats for root group */
+	free_percpu(cfqd->root_group.blkg.stats_cpu);
+#endif
 	kfree(cfqd);
 }