linux-kernel - Re: [PATCH 4/4] cgroup: Do not report unavailable v1 controllers in /proc/cgroups

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Message-ID: <ZuCmZrkcZWjzq1NY@slm.duckdns.org>
Date: Tue, 10 Sep 2024 10:04:54 -1000
From: Tejun Heo <tj@...nel.org>
To: Michal Koutný <mkoutny@...e.com>
Cc: cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, Zefan Li <lizefan.x@...edance.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Michal Hocko <mhocko@...nel.org>,
	Roman Gushchin <roman.gushchin@...ux.dev>,
	Shakeel Butt <shakeel.butt@...ux.dev>,
	Muchun Song <muchun.song@...ux.dev>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Chen Ridong <chenridong@...wei.com>
Subject: Re: [PATCH 4/4] cgroup: Do not report unavailable v1 controllers in
 /proc/cgroups

On Mon, Sep 09, 2024 at 06:32:23PM +0200, Michal Koutný wrote:
> This is a followup to CONFIG-urability of cpuset and memory controllers
> for v1 hierarchies. Make the output in /proc/cgroups reflect that
> !CONFIG_CPUSETS_V1 is like !CONFIG_CPUSETS and
> !CONFIG_MEMCG_V1 is like !CONFIG_MEMCG.
> 
> The intended effect is that hiding the unavailable controllers will hint
> users not to try mounting them on v1.
> 
> Signed-off-by: Michal Koutný <mkoutny@...e.com>

Applied to cgroup/for-6.12 w/ Waiman's reviewed-by.

Thanks.

-- 
tejun