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Wed, 21 Oct 2026 20:39:32 +0000 X-Mizu-Trace-ID: 7c45c0e98498beff X-Migadu-Flow: FLOW_OUT Date: Wed, 21 Oct 2026 13:39:27 -0700 From: Shakeel Butt To: Joanne Koong Cc: Andrew Morton , Johannes Weiner , Michal Hocko , Roman Gushchin , Muchun Song , Yosry Ahmed , cgroups@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v1] memcg: fix cacheline contention between lruvec stat updates and LRU lists Message-ID: References: <20261020200730.250189-1-joannelkoong@gmail.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Rspamd-Queue-Id: 59BB31C0009 X-Stat-Signature: e17cjpnjg5wiygw3ijdfswtbutpw9qwt X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-Rspam-User: X-Rspamd-Server: rspam09 X-HE-Tag: 1792615174-157457 X-HE-Meta: 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 Tu8t6qFY fA/ZdTcfRuh75ktzlAvjggIc2Y8oyEAEL8+w4PGFEgNVzr4XK0FBqycUytS1Cy/NbFpOST6bHZ6xQPmBOrisUUKjYSvm0/7HGUbKmX9j7TQC4Ar0i9SochvdO1KKoY/6ZgKpk9pl6BIfRi3mFNgzUOEBM7NVr6LVJN3z/ZYdLKDCiDko74fVSKgGYf7AYyHfMMY4K7+EhzTRqgfL0lI7xSGJTAgqN4UUPcUqHpZO0Fvmkr4kz/OnX6KRaNnBtlqqZvhO3sd8xpsiGyimvsv/vvMUj6ZfZtEd2sTxz5FI5lPD48Dk= 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 Wed, Oct 21, 2026 at 01:04:36PM -0700, Joanne Koong wrote: > On Wed, Oct 21, 2026 at 9:12 AM Shakeel Butt wrote: > > [...] > > Sounds good, I'll go the layout rearranging route then. I verified on > the Intel machine that rearranging + the pgdat change gives the same > results as this v1. Do you want me to include your rearrange patch in > v2 (with your authorship and signed-off-by) or do you prefer to post > it yourself and I'll send the pgdat change on top? You can take the patch and the ownership/authorship as well and post both patches. Shakeel