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    Subject[tip:sched/core] sched, trivial: Initialize root cgroup's sibling list
    Commit-ID:  f4d6f6c2649c2c47261db4dcc3110d6f22202ea2
    Gitweb: http://git.kernel.org/tip/f4d6f6c2649c2c47261db4dcc3110d6f22202ea2
    Author: Glauber Costa <glommer@parallels.com>
    AuthorDate: Tue, 1 Nov 2011 19:19:07 -0200
    Committer: Ingo Molnar <mingo@elte.hu>
    CommitDate: Wed, 16 Nov 2011 08:48:22 +0100

    sched, trivial: Initialize root cgroup's sibling list

    Even though there are no siblings, the list should be
    initialized to not contain bogus values.

    Signed-off-by: Glauber Costa <glommer@parallels.com>
    Acked-by: Paul Menage <paul@paulmenage.org>
    Acked-by: Paul Turner <pjt@google.com>
    Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
    Link: http://lkml.kernel.org/r/1320182360-20043-2-git-send-email-glommer@parallels.com
    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    ---
    kernel/sched.c | 1 +
    1 files changed, 1 insertions(+), 0 deletions(-)

    diff --git a/kernel/sched.c b/kernel/sched.c
    index d9d79a4..0df6986 100644
    --- a/kernel/sched.c
    +++ b/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 */


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