linux-kernel - Re: + cgroups-fix-ordering-of-calls-in-cgroup_attach

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Message-ID: <CALdu-PBaEJFvM4s4Kspm4Au-wfdAL0te8dLpdqO7dO+xfvWvaA@mail.gmail.com>
Date:	Fri, 26 Aug 2011 08:18:26 -0700
From:	Paul Menage <paul@...lmenage.org>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	bblum@...rew.cmu.edu, fweisbec@...il.com, lizf@...fujitsu.com,
	tj@...nel.org
Subject: Re: + cgroups-fix-ordering-of-calls-in-cgroup_attach_proc.patch added
 to -mm tree

On Fri, Aug 26, 2011 at 8:12 AM, Oleg Nesterov <oleg@...hat.com> wrote:
>
>
>
> But this doesn't answer my another question. After that the code does
>
>         * step 4: do expensive, non-thread-specific subsystem callbacks.
>
>                ss->attach(ss, cgrp, oldcgrp, leader);
>
> OK, non-thread-specific is nice, but how can this "leader" represent
> the process?

There's a set of patches from Tejun Heo that address some of these
inconsistencies and lack of information - search the list for
cgroup_taskset.

Paul
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