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Sat, 19 Sep 2026 02:44:44 +0000 X-Mizu-Trace-ID: 0b1a70147224a31d X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3864.700.51.1.1\)) Subject: Re: [PATCH 1/2] memcg: remove unused page_memcg_check() From: Muchun Song In-Reply-To: <20260918165601.1014666-2-ekffu200098@gmail.com> Date: Sat, 19 Sep 2026 10:44:26 +0800 Cc: Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Content-Transfer-Encoding: 7bit Message-Id: <3A433465-3F87-4268-9B1C-73DEDBEB6A90@linux.dev> References: <20260918165601.1014666-1-ekffu200098@gmail.com> <20260918165601.1014666-2-ekffu200098@gmail.com> To: Sang-Heon Jeon X-Mailer: Apple Mail (2.3864.700.51.1.1) X-Stat-Signature: 4dxm95qriaedaa7ragy8ho4qqf6t43ex X-Rspam-User: X-Rspamd-Queue-Id: 80634100007 X-Rspamd-Server: rspam03 X-HE-Tag: 1789785885-777836 X-HE-Meta: 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 4qdgaq82 dDWCftUENEF0Oi/HFrkXkvaa6gIRXHVb2e2domAulqzCpDxWGioWB3w1T/aeVqPoiGp/Uf4mOcCM5Fp8pj63v30Ok2kzA7g0fD8YcKVYSBcIwaYSOoA7eb53RF/gjKVuILPO6NRDlqTn8b8WywbBfnL8cG0hYl5p/g8WB0+mCnRwYsDDCHZlW/6awqXA67stBwZ2NOh88nFbgbluOHAW2RY92NUonlokH81hWKHO/RC0IWKnKZnrEvamNB3PjQ8p7u6CuqNst6er5jTe01kR74WHeZuqLxkyVWV4SSiXfoLpog3PqummO55gfw7OckNEnthNvgDyuk65uaxh8gl/bNMvBwKVjEL3x7YQ6AWOJPU99RNU= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > On Sep 19, 2026, at 00:55, Sang-Heon Jeon wrote: > > Since commit 90f095b816e2 ("mm/page_owner: use memcg_data snapshot to > avoid TOCTOU in print_page_owner_memcg()"), page_memcg_check() has no > callers. > > So remove it. > > No functional change. > > Signed-off-by: Sang-Heon Jeon Acked-by: Muchun Song