Re: [PATCH][RESEND] cgroup, docs: document the root cgroup behavior of cpu and io controllers

From: Maciej S. Szmigiero
Date: Mon Jan 08 2018 - 11:29:52 EST


Hello,

On 08.01.2018 13:15, Tejun Heo wrote:
> Hello,
>
> On Thu, Jan 04, 2018 at 10:57:00PM +0100, Maciej S. Szmigiero wrote:
>> Currently, cgroups v2 documentation contains only a generic remark that
>> "How resource consumption in the root cgroup is governed is up to each
>> controller", which isn't really telling users much, who need to dig in the
>> code and / or commit messages to learn the exact behavior.
>
> I don't think we want to fully guarantee the current behavior. On the
> scheduler side, I don't think it's likely to change but blkio side
> *might* change. Can you please collect the root behavior in a separte
> section and clearly note that the behaviors are subject to change?

Will do.

> Thanks.
>

Maciej