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AJvYcCVbjgbuH1nJrmHERilFlXxNELxXNoN4fo0zV+peeNpZDYvPACrr2c9iMc5VMOWAvI1xiK6v79/haw==@kvack.org X-Gm-Message-State: AOJu0Ywf+edxTpMdo6v0J1rylTM1yGfz2D8r3PO3ko1vQCi7G2tsV7a5 195snIWxnZrKyxXpZD+43UtFm75sJIXTwzI8T2OvQdaMvZk6qMEkaVG0u11kIOroS8UwMvi0Cqd 93KNAhuxUMoF5WjdRaHO0/ZWy9PkhGLBDKSi+ X-Gm-Gg: ASbGnct/FHRP3JQspOkIoM7RLHO7rAE+f47KqyuAsx6rZ+wOo8J3n+5N9GStruUK6tA /yS7Ffn3ZrmA0ITx/Faakj+bMkpPLC/tMb9vzYlC7JPlyDfJ29nt/7eXEwq8E7/dmogL2tKAMSE Ow0Ll8vcKXd5pHhj+VRCgtQCdNplr+KA== X-Google-Smtp-Source: AGHT+IHgOIJu66b5+FkCjUTqLe+kFJ5pnzkiI2EWbnmTxxfuYeBlU3TGfepPLf9b4v1IsOlZVSVianh0S1Lnh6AsAs4= X-Received: by 2002:a05:6402:4311:b0:5db:f5e9:6760 with SMTP id 4fb4d7f45d1cf-5dc5efa8bcdmr18615952a12.2.1738269453403; Thu, 30 Jan 2025 12:37:33 -0800 (PST) MIME-Version: 1.0 References: <20250130100050.1868208-1-kirill.shutemov@linux.intel.com> <20250130100050.1868208-2-kirill.shutemov@linux.intel.com> In-Reply-To: <20250130100050.1868208-2-kirill.shutemov@linux.intel.com> From: Yu Zhao Date: Thu, 30 Jan 2025 13:36:57 -0700 X-Gm-Features: AWEUYZk-T3PmFiMQXizTQSxtfw262HuFGqWt0YvgioLZEIzF4uEgK1GJyl43NpI Message-ID: Subject: Re: [PATCHv3 01/11] mm/migrate: Transfer PG_dropbehind to the new folio To: "Kirill A. Shutemov" Cc: Andrew Morton , "Matthew Wilcox (Oracle)" , Jens Axboe , "Jason A. Donenfeld" , Andi Shyti , Chengming Zhou , Christian Brauner , Christophe Leroy , Dan Carpenter , David Airlie , David Hildenbrand , Hao Ge , Jani Nikula , Johannes Weiner , Joonas Lahtinen , Josef Bacik , Masami Hiramatsu , Mathieu Desnoyers , Miklos Szeredi , Nhat Pham , Oscar Salvador , Ran Xiaokai , Rodrigo Vivi , Simona Vetter , Steven Rostedt , Tvrtko Ursulin , Vlastimil Babka , Yosry Ahmed , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Rspamd-Queue-Id: 19715C0003 X-Rspamd-Server: rspam10 X-Stat-Signature: nrzjxtz1nphi9cy85gqp7oae68wo5xo4 X-HE-Tag: 1738269454-576296 X-HE-Meta: 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 gyoIieXq WtLFAessi5QozDDjLlV61hQ+zuRcBj7hctYg8ePIcL+ypTb+dlCxgvX0Bs/QpimEG+SBfT4SLqI3v6jLE4ftAbViEjKyGTQ88eBnuwblkOIl+aXJdNrzVIciNQCtbSE7fBs3eWG2BMRG688kaneManszP4TtzJELMGItVjj1RGo3qvm8aMn8jzcIHufv5al2G2g79NbIsWfQoKztKC7s4/kuJbPtZN7MfqeQY+kOyPylA/31tWJpSCZvxbpdL+FUVchrvqkvBA6cTAxnkwMbCKcLMurdM0CnQKpfBjwO6YZM5wpBBwUy3gLTHRA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000121, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, Jan 30, 2025 at 3:01=E2=80=AFAM Kirill A. Shutemov wrote: > > Do not lose the flag on page migration. > > Ideally, these folios should be freed instead of migration. But it > requires to find right spot do this and proper testing. > > Transfer the flag for now. > > Signed-off-by: Kirill A. Shutemov Acked-by: Yu Zhao