diff --git a/[refs] b/[refs]
index ae72d755ea4d..f06b832d7042 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 56f570e512eeb5b412cb3a62234adc446a8eb32b
+refs/heads/master: f4d6f6c2649c2c47261db4dcc3110d6f22202ea2
diff --git a/trunk/kernel/sched.c b/trunk/kernel/sched.c
index d9d79a4088c8..0df69866a04e 100644
--- a/trunk/kernel/sched.c
+++ b/trunk/kernel/sched.c
@@ -8275,6 +8275,7 @@ void __init sched_init(void)
 #ifdef CONFIG_CGROUP_SCHED
 	list_add(&root_task_group.list, &task_groups);
 	INIT_LIST_HEAD(&root_task_group.children);
+	INIT_LIST_HEAD(&root_task_group.siblings);
 	autogroup_init(&init_task);
 #endif /* CONFIG_CGROUP_SCHED */