linux-kernel - Re: [PATCH 2/5] cgroup: Account for memory_recursiveprot in test_memcg

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Message-ID: <20220423113338.yu6inrn2w5zmm3j6@dev0025.ash9.facebook.com>
Date:   Sat, 23 Apr 2022 04:33:38 -0700
From:   David Vernet <void@...ifault.com>
To:     Roman Gushchin <roman.gushchin@...ux.dev>
Cc:     akpm@...ux-foundation.org, tj@...nel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        cgroups@...r.kernel.org, hannes@...xchg.org, mhocko@...nel.org,
        shakeelb@...gle.com, kernel-team@...com
Subject: Re: [PATCH 2/5] cgroup: Account for memory_recursiveprot in
 test_memcg_low()

On Fri, Apr 22, 2022 at 04:06:35PM -0700, Roman Gushchin wrote:
> Hopefully no one has a mountpoint with the memory_recursiveprot name :)

Heh, good point. I considered adding another root-level cgroup.features
file to match the features specified in /sys/kernel/cgroup/features, but
ultimately decided it wasn't warranted given that it just duplicates the
information in /proc/mounts.