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From: mawupeng <mawupeng1@huawei.com>
To: <akpm@linux-foundation.org>
Cc: <mawupeng1@huawei.com>, <liuye@kylinos.cn>, <hannes@cmpxchg.org>,
	<mhocko@kernel.org>, <david@kernel.org>, <ljs@kernel.org>,
	<hughd@google.com>, <mgorman@techsingularity.net>,
	<yang@os.amperecomputing.com>, <zhangqiuhao@huawei.com>,
	<wangkefeng.wang@huawei.com>, <linux-mm@kvack.org>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/2] mm: vmscan: fix scan overshoot and ineligible folio scanning
Date: Tue, 1 Sep 2026 11:12:37 +0800	[thread overview]
Message-ID: <ecb5978d-977e-46a6-96bf-fb993a7804ef@huawei.com> (raw)
In-Reply-To: <20260829201809.99fe79c4725413bf80510fed@linux-foundation.org>



On 周日 2026-8-30 11:18, Andrew Morton wrote:
> On Tue, 25 Aug 2026 08:59:54 +0800 mawupeng <mawupeng1@huawei.com> wrote:
> 
>> Hi, maintainers
>>   Kindly ping.
> 
> It's been quite a while.  It would be helpful to refresh/retest/resend,
> please.

Thanks, Andrew. I’ll retest it with the background (situation, end-user impact,
reproduction, A/B) folded into the cover letter and re-tested on the current -rc.

> 
> While doing this, please update the changelogging to help reviewers
> understand the end-user impact of the issue.
> 
> Please also give some though to whether we should backport these fixes
> into earlier kernels, with a cc:stable.  Given the unusual
> circumstances which are required to hit this, I'm thinking "no", but
> feel free to disagree!

On cc:stable — I agree it doesn’t seem warranted. The conditions needed
to trigger this are unusual enough that I don’t think a backport is
justified, so I’d lean toward not adding Cc:stable. Happy to revisit if
I’m missing something.

> 



      reply	other threads:[~2026-09-01  3:12 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-11  7:08 [PATCH 0/2] mm: vmscan: fix scan overshoot and ineligible folio scanning Wupeng Ma
2026-08-11  7:08 ` [PATCH 1/2] mm: vmscan: charge isolate overshoot against scan quota Wupeng Ma
2026-08-11  7:08 ` [PATCH 2/2] mm: vmscan: stop scanning ineligible folios after max_nr_skipped Wupeng Ma
2026-08-12  1:42 ` [PATCH 0/2] mm: vmscan: fix scan overshoot and ineligible folio scanning Andrew Morton
2026-08-12  2:29   ` mawupeng
2026-08-25  0:59     ` mawupeng
2026-08-30  3:18       ` Andrew Morton
2026-09-01  3:12         ` mawupeng [this message]

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