linux-kernel - Re: [PATCH v3 1/3] mm: memcg: fix stale protection of reclaim target memcg

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Message-Id: <20221202163527.a72646c9d42f3678b20dac7b@linux-foundation.org>
Date:   Fri, 2 Dec 2022 16:35:27 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Yosry Ahmed <yosryahmed@...gle.com>
Cc:     Shakeel Butt <shakeelb@...gle.com>,
        Roman Gushchin <roman.gushchin@...ux.dev>,
        Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...e.com>, Yu Zhao <yuzhao@...gle.com>,
        Muchun Song <songmuchun@...edance.com>,
        Tejun Heo <tj@...nel.org>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Vasily Averin <vasily.averin@...ux.dev>,
        Vlastimil Babka <vbabka@...e.cz>,
        Chris Down <chris@...isdown.name>,
        David Rientjes <rientjes@...gle.com>, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v3 1/3] mm: memcg: fix stale protection of reclaim
 target memcg

On Fri, 2 Dec 2022 16:26:05 -0800 Yosry Ahmed <yosryahmed@...gle.com> wrote:

> Andrew, does this need to be picked up by stable branches?

Does it?  The changelog doesn't have a clear description of the
user-visible effects of the flaw, which is the guiding light for a
backport?