linux-kernel - Re: [PATCH 5/9] sched/psi: don't create cgroup PSI files when psi

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Message-ID: <Yt7Hu141PirDh/pw@cmpxchg.org>
Date:   Mon, 25 Jul 2022 12:41:31 -0400
From:   Johannes Weiner <hannes@...xchg.org>
To:     Chengming Zhou <zhouchengming@...edance.com>
Cc:     surenb@...gle.com, mingo@...hat.com, peterz@...radead.org,
        tj@...nel.org, corbet@....net, akpm@...ux-foundation.org,
        rdunlap@...radead.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, songmuchun@...edance.com,
        cgroups@...r.kernel.org
Subject: Re: [PATCH 5/9] sched/psi: don't create cgroup PSI files when
 psi_disabled

On Thu, Jul 21, 2022 at 12:04:35PM +0800, Chengming Zhou wrote:
> commit 3958e2d0c34e ("cgroup: make per-cgroup pressure stall tracking configurable")
> make PSI can be configured to skip per-cgroup stall accounting. And
> doesn't expose PSI files in cgroup hierarchy.
> 
> This patch do the same thing when psi_disabled.
> 
> Signed-off-by: Chengming Zhou <zhouchengming@...edance.com>

Acked-by: Johannes Weiner <hannes@...xchg.org>