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bh=Yaq0k4zhQofrvgBxN7RFAqXF4aXsNAdfyTsZyQ8We4w=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=ALPbCVF9uULHb7x26GBSJf9oTw+hKWJIcFI1K4iQKJ9gSsVxhfI7Xr5WJGbqVOgSo SDKWCNFONERZIXj1KlFgErerzNWA+6svhWqs7DbxZjvxzzQOmD+fLm5N6nYfibvVOH BdFO4gdkwQAcgMGJxEfBxDXMZf92yog0ZxU6KFr0= Date: Fri, 2 Dec 2022 16:35:27 -0800 From: Andrew Morton To: Yosry Ahmed Cc: Shakeel Butt , Roman Gushchin , Johannes Weiner , Michal Hocko , Yu Zhao , Muchun Song , Tejun Heo , "Matthew Wilcox (Oracle)" , Vasily Averin , Vlastimil Babka , Chris Down , David Rientjes , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v3 1/3] mm: memcg: fix stale protection of reclaim target memcg Message-Id: <20221202163527.a72646c9d42f3678b20dac7b@linux-foundation.org> In-Reply-To: References: <20221202031512.1365483-1-yosryahmed@google.com> <20221202031512.1365483-2-yosryahmed@google.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: DD49240008 X-Stat-Signature: i63z9iqwo7mnpcajrbdo7r3ogz9b6atz X-Spamd-Result: default: False [2.54 / 9.00]; IRL_BL_25(2.00)[52.25.139.140:received]; MV_CASE(0.50)[]; MIME_GOOD(-0.10)[text/plain]; RCVD_NO_TLS_LAST(0.10)[]; BAD_REP_POLICIES(0.10)[]; BAYES_HAM(-0.06)[56.53%]; R_SPF_ALLOW(0.00)[+a:dfw.source.kernel.org]; R_DKIM_ALLOW(0.00)[linux-foundation.org:s=korg]; RCPT_COUNT_TWELVE(0.00)[16]; FROM_EQ_ENVFROM(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; DKIM_TRACE(0.00)[linux-foundation.org:+]; RCVD_COUNT_THREE(0.00)[3]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DMARC_NA(0.00)[linux-foundation.org]; MID_RHS_MATCH_FROM(0.00)[]; ARC_SIGNED(0.00)[hostedemail.com:s=arc-20220608:i=1]; RCVD_VIA_SMTP_AUTH(0.00)[] X-HE-Tag: 1670027730-373260 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: On Fri, 2 Dec 2022 16:26:05 -0800 Yosry Ahmed wrote: > Andrew, does this need to be picked up by stable branches? Does it? The changelog doesn't have a clear description of the user-visible effects of the flaw, which is the guiding light for a backport?