Re: [RFC 0/4] cgroup hierarchy controls and stats

[Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>]

Hello,

On Wed, Aug 02, 2017 at 05:55:28PM +0100, Roman Gushchin wrote:
> Creating cgroup hierearchies of an unreasonable size can affect
> system performance. A user might want to limit the size
> of the cgroup hierarchy.
> 
> This patchset implements an ability to control and monitor cgroup
> hierarchy size.
> 
> Patch 1 implements tracking of live and dying descendant cgroups
>         on each cgroup level.
> Patch 2 adds cgroup.max.descendants and cgroup.max.depth interfaces
>         to set up hierarchy limits.
> Patch 3 adds cgroup.stat interface with simple hierarchy stats.
> Patch 4 is a trivial cleanup.

Applied 1-4 to cgroup/for-4.14.  We *might* have further discussions
on the specifics of the interface but in terms of feature and internal
implementation, I don't think there's anything which can be
controversial.

Thanks.

-- 
tejun