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Thu, 12 Oct 2023 06:48:20 -0700 (PDT) Date: Thu, 12 Oct 2023 13:48:18 +0000 In-Reply-To: <20231010000929.450702-6-roman.gushchin@linux.dev> Mime-Version: 1.0 References: <20231010000929.450702-1-roman.gushchin@linux.dev> <20231010000929.450702-6-roman.gushchin@linux.dev> Message-ID: <20231012134818.737ack5hz76okmcy@google.com> Subject: Re: [PATCH v2 5/5] percpu: scoped objcg protection From: Shakeel Butt To: Roman Gushchin Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, Johannes Weiner , Michal Hocko , Muchun Song , Dennis Zhou , Andrew Morton , David Rientjes , Vlastimil Babka , Naresh Kamboju Content-Type: text/plain; charset="us-ascii" X-Stat-Signature: uuxxx5uud7qmc89rp3z1kgtqq3tsj9k6 X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: C7516C002C X-Rspam-User: X-HE-Tag: 1697118501-68414 X-HE-Meta: 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 GflreJOX 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.169974, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Oct 09, 2023 at 05:09:29PM -0700, Roman Gushchin wrote: > Similar to slab and kmem, switch to a scope-based protection of the > objcg pointer to avoid. > > Signed-off-by: Roman Gushchin (Cruise) Acked-by: Shakeel Butt