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Tue, 1 Sep 2026 11:01:52 +0800 (CST) Received: from whupemk200018.china.huawei.com (unknown [7.152.184.119]) by mail.maildlp.com (Postfix) with ESMTPS id 9EFD34057F; Tue, 1 Sep 2026 11:12:39 +0800 (CST) Received: from [10.174.177.15] (10.174.177.15) by whupemk200018.china.huawei.com (7.152.184.119) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45; Tue, 1 Sep 2026 11:12:37 +0800 Message-ID: Date: Tue, 1 Sep 2026 11:12:37 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird CC: , , , , , , , , , , , , Subject: Re: [PATCH 0/2] mm: vmscan: fix scan overshoot and ineligible folio scanning To: References: <20260811070849.1332165-1-mawupeng1@huawei.com> <20260811184241.e423b81c8a50d5f212af1c3b@linux-foundation.org> <20260829201809.99fe79c4725413bf80510fed@linux-foundation.org> From: mawupeng In-Reply-To: <20260829201809.99fe79c4725413bf80510fed@linux-foundation.org> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.174.177.15] X-ClientProxiedBy: kwepems500001.china.huawei.com (7.221.188.70) To whupemk200018.china.huawei.com (7.152.184.119) X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 649A2160006 X-Stat-Signature: sbjyiwb86ishomrcbwfw7txepshbhwz5 X-Rspam-User: X-HE-Tag: 1788232364-340486 X-HE-Meta: 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 Ts0O6tpR Lnmc1mxGMZUZYoyC3MaNBwKoOs71wOX120MZQX980zE5YjpQbrx2uNxch7dWhmYYVPZhhLLq5LRILcWozs2weXefJzcco3XcJdY4vbZ6KSEJT5sTvFr1n+WsfW3FPj4MDkQeqvFqBBVaG3X9IoP5dKzVc3rR8w6g0ocitzqlq0f2wHAkPVw3fwssFoFngyJ4oN4UZ8SzAk+8hUU6JCw5RVep513aoY+IBll/9zNHJQVyDc7dHFm2dYUzV4rc51ED7pxNEUMiswnudxUCH5o9nKV+cpqbLiIX5PHJHDcR480C1CZxpJ6nvOeVJ7qU181nmtqf44kjAwPg3bBNRCXTAu9E3LavOHzzghTBosNUB9ne9p5VuU5V/pdeNjw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 周日 2026-8-30 11:18, Andrew Morton wrote: > On Tue, 25 Aug 2026 08:59:54 +0800 mawupeng 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. >