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b=y+pfeUEdaNV+XdUGp1gYPf9LxEHpgLNdfdVuNmRlmCWYxa5QMqnA+ICugsf4lTNAo 2x2inJQsV93EwWtspyS4aE84d97kcM19sG2BGI4UdxVULEVcO6eznk3IsMWNRyoQFA sKFiUVuGr5KZ/QssEkxtGolJvaHLFWP6Km5N6PYo= Date: Thu, 29 Oct 2026 09:38:05 -0700 From: Andrew Morton To: Mani Tofigh Cc: Oleg Nesterov , Christian Brauner , linux-mm@kvack.org, linux-kernel@vger.kernel.org, tz2294@columbia.edu Subject: Re: [PATCH] exit: use READ_ONCE() to read mm->owner Message-Id: <20261029093805.67d5eb70116fe0e9823997fd@linux-foundation.org> In-Reply-To: <5537eacc-0884-4b05-9634-16dff0eef69b@columbia.edu> References: <20261027-kcsan-exit-v1-1-7c0429a29bc0@columbia.edu> <20261028235404.2a24aa50c06556eaf77a033b@linux-foundation.org> <5537eacc-0884-4b05-9634-16dff0eef69b@columbia.edu> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) X-Archived-By: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: C84CDC0003 X-Stat-Signature: ood9sg6u5apbec8gi8uatubcp1u4y4yh X-Rspam-User: X-Spam-Status: No, score=-7.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_PASS,SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-HE-Tag: 1793291887-174684 X-HE-Meta: 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 GqGSkT3q 2LU67OmTLD/NIhfiXE1VLPuPJlFyd99JnWiRjQrblli0az8O9u6342uOZcNU6tXqm80IA75dszxFwyYsMiJVA7rh5m6AI7y21D34M1sxAaXVmPPtBcE9nhc5ZHlUM7pDfuMw/vs0id9aU2ThOHEsMryfHQzeElFrvzfWfgs8aC2GijYwG8hoi/u+yrYcR6AuYe9Uwz1W3ozHEoInSfk+ZHCNtepszL+JqxT+7hQ/dKmHWHRfEsQKHo4fmmsxDGg0ZkxcKbPVzVmay3dQezesrQ6i/myjA22XuBiE/JKk93UTsU7K2CkLlmdQ1IrhSydp2x+xG Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Thu, 29 Oct 2026 11:05:02 -0400 Mani Tofigh wrote: > > > On 10/29/26 2:54 AM, Andrew Morton wrote: > > We don't want older kernels doing this either, so I suggest > > > > Fixes: cf475ad28ac3 ("cgroups: add an owner to the mm_struct") > > Cc: > > Sounds good to me, thanks. Should I send a v2 with these tags or will > you add them when you apply it? > That's OK - we gather up the patch metadata as a part of the merging process. I'm assuming that Christian will be handling this patch.