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

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Message-ID: <ff31f13b-f28b-2765-73dd-c2d67524ff9f@gmail.com>
Date:   Wed, 10 Jan 2018 23:34:46 +0100
From:   "Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
To:     Tejun Heo <tj@...nel.org>
Cc:     mtk.manpages@...il.com, "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

On 01/10/2018 11:27 PM, Tejun Heo wrote:
> 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 for the clarification/confirmation, Tejun.

Cheers,

Michael

-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/