Re: [PATCH v2 0/2] mm/zswap: Fixes and improves the zswap global shrinker
From: Andrew Morton
Date: Fri Jul 17 2026 - 21:18:48 EST
On Fri, 17 Jul 2026 16:51:49 +0800 Hao Jia <jiahao.kernel@xxxxxxxxx> wrote:
> This series fixes and improves the zswap global shrinker (shrink_worker()):
> Patch 1: Fix missing global shrinker when memory cgroup is disabled.
> Patch 2: Extend shrink_memcg() to support batch writeback and update its
> return value semantics, thereby improving the writeback efficiency
> in the shrink_worker() path.
Thanks.
[1/2] is a cc:stable fix so it isn't really appropriate to combine this
with [2/2] which doesn't fix any bugs. Because the two patches may
take different paths into mainline, with different timings. But that's
OK, I can deal with the splitup if needed.
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.
Finally, AI review might have found an issue:
https://sashiko.dev/#/patchset/20260717085151.22822-1-jiahao.kernel@xxxxxxxxx