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Wed, 04 Sep 2024 22:00:56 -0700 (PDT) MIME-Version: 1.0 References: <1719038884-1903-1-git-send-email-yangge1116@126.com> <0f9f7a2e-23c3-43fe-b5c1-dab3a7b31c2d@126.com> <00a27e2b-0fc2-4980-bc4e-b383f15d3ad9@126.com> <56651be8-1466-475f-b1c5-4087995cc5ae@leemhuis.info> In-Reply-To: <56651be8-1466-475f-b1c5-4087995cc5ae@leemhuis.info> From: Chris Li Date: Wed, 4 Sep 2024 22:00:44 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH V2] mm/gup: Clear the LRU flag of a page before adding to LRU batch To: Linux regressions mailing list Cc: Kairui Song , Ge Yang , Yu Zhao , Andrew Morton , linux-mm , LKML , stable@vger.kernel.org, Barry Song <21cnbao@gmail.com>, David Hildenbrand , baolin.wang@linux.alibaba.com, liuzixing@hygon.cn, Hugh Dickins Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 1834940018 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: 4pq8y6wxwi7exbkdaguofswok9nyifmo X-HE-Tag: 1725512458-196802 X-HE-Meta: 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 L12CdCO7 cww31eXnXqdQUpl0KMADT6n8BPgvC/7XbHdlSdU0U+hl9SEzbrfMv12fRlM+m/zcL9ziscNQmt+5vGZR1Bj85XwQc0WnjsZq686MofciDb9uhKTCXdY1iPLz/1XGmZinbqqB125r8KIx1fF68SVHmbCfrSnota3GVPINyyxayAHJYeMMKF0070ELS2jn9QPvf5GLD7zdXkILtKUVBjM+9V5i5VeGZ+4h9yh6kxJjdxaBSXpZYPScn32AO4GGgwMDpXHy4BE/JVELVS4ek6vtANIveZ1kmxnbumZb2s1j/dkz3yjH6BTx+SHJxm1x+rCQm0RwTFtc1W9ARrpYWqwwtuvVJzfMPIncHbXM0Rqkzckg0BIqEbN1ty6wAVA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Thorsten, On Mon, Sep 2, 2024 at 5:54=E2=80=AFAM Linux regression tracking (Thorsten Leemhuis) wrote: > > Hi, Thorsten here, the Linux kernel's regression tracker. Top-posting > for once, to make this easily accessible to everyone. > > Chris et. al., was that fix from Yu ever submitted? From here it looks Not yet. Let me make a proper patch and add "suggested-by" Yu. It is one patch I have to apply to the mm-unstable before stress testing the swapping code. I even have a script performing the bisect after applying this one line fix, so that I can hunt down the other swap unstable patch. > like fixing this regression fell through the cracks; but at the same > time I have this strange feeling that I'm missing something obvious here > and will look stupid by writing this mail... If that's the case: sorry > for the noise. Not at all. You did the right thing. Thanks for the reminder. I also want to get rid of my one off private patch fix as well. Chris