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SubjectRe: [PATCH] sched: reset sched_entity depth on changing parent
On Mon, Oct 27, 2014 at 01:07:34PM +0100, Peter Zijlstra wrote:
> On Fri, Oct 24, 2014 at 09:18:42PM +0400, Kirill Tkhai wrote:
> > I was seeking a places where task_group of a task may change. I can't understand
> > how changing of parent's cgroup during fork() applies to a child.
>
> I didn't know we could change cgroup on fork(), I though the idea was
> you always inherited your parents cgroup.
>
> How can this be?

Hmmm? -ENEEDMORECONTEXT but the inheriting happens at one point during
fork in cgroup_post_fork(). The child inherits whatever the parent
cgroup is at that point.

Thanks.

--
tejun


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