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Date: Fri, 17 Jul 2026 21:40:31 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Yosry Ahmed <yosry@kernel.org>
Cc: Hao Jia <jiahao.kernel@gmail.com>, tj@kernel.org, hannes@cmpxchg.org,
 shakeel.butt@linux.dev, mhocko@kernel.org, mkoutny@suse.com,
 nphamcs@gmail.com, chengming.zhou@linux.dev, muchun.song@linux.dev,
 roman.gushchin@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org,
 linux-doc@vger.kernel.org, Hao Jia <jiahao1@lixiang.com>
Subject: Re: [PATCH v2 0/2] mm/zswap: Fixes and improves the zswap global
 shrinker
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On Fri, 17 Jul 2026 18:28:04 -0700 Yosry Ahmed <yosry@kernel.org> wrote:

> >
> > The [1/2] changelog lacks a description of how the flaw impacts users.
> > Please describe this fully and maintain that info within the
> > changelogging.  This info helps -stable maintainers and others
> > understand why we're proposing a backport and helps myself and others
> > with timing decisions.
> 
> The first line in the changelog should be sufficient imo: "Zswap
> writeback on hitting the pool limit is broken when memory cgroup is
> disabled"

"broken"?  Perhaps this means "fails to occur".

But what is the userspace-visible impact?  IOW, why are we proposing a
backport?