linux-kernel - Re: cgroups(7): documenting cgroups v2 delegation

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Message-ID: <20180110222726.GG3460072@devbig577.frc2.facebook.com>
Date:   Wed, 10 Jan 2018 14:27:26 -0800
From:   Tejun Heo <tj@...nel.org>
To:     "Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
Cc:     "Serge E. Hallyn" <serge@...lyn.com>,
        linux-man <linux-man@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>, cgroups@...r.kernel.org,
        Roman Gushchin <guro@...com>
Subject: Re: cgroups(7): documenting cgroups v2 delegation

Hello,

On Wed, Jan 10, 2018 at 11:24:05PM +0100, Michael Kerrisk (man-pages) wrote:
> > Oh, I'm probably mixing up two things.
> > 
> > 1. When delegating, cgroup.threads should be delegated.  Doing that
> >    selectively doesn't achieve anything meaningful.
> 
> Understood. But surely delegating cgroup.threads is effectively
> meaningless when delegating a "domain" cgroup tree? (Obviously it's
> not harmful to delegate the the cgroup.threads file in this case;
> it's just not useful to do so.)

Yeap, unless we can somehow support non-root mixed domains.

Thanks.

-- 
tejun