linux-kernel - Re: [PATCH 5/6] cgroup: implement cgroup v2 thread support

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Date:   Wed, 19 Jul 2017 13:48:42 -0400
From:   Tejun Heo <tj@...nel.org>
To:     Waiman Long <longman@...hat.com>
Cc:     Peter Zijlstra <peterz@...radead.org>, lizefan@...wei.com,
        hannes@...xchg.org, mingo@...hat.com, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-team@...com, pjt@...gle.com,
        luto@...capital.net, efault@....de, torvalds@...ux-foundation.org,
        guro@...com
Subject: Re: [PATCH 5/6] cgroup: implement cgroup v2 thread support

Hello, Waiman.

On Wed, Jul 19, 2017 at 01:09:38PM -0400, Waiman Long wrote:
> For me, that is the only good reason why we should keep the current
> behavior. So I am fine with that.
> 
> + cgrp->dom_cgrp = cgrp->dom_cgrp;
> 
> However, I am still puzzled by above line of code, should it be just
> 
>   cgrp->dom_cgrp = cgrp;

Oh I see.  Yeah, that's just a silly (harmless) bug.  The field gets
properly initialized in init_cgroup_housekeeping().  I'll remove that
line.

Thanks!

-- 
tejun