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From: Shakeel Butt To: Qi Zheng Cc: hannes@cmpxchg.org, hughd@google.com, mhocko@suse.com, roman.gushchin@linux.dev, muchun.song@linux.dev, david@redhat.com, lorenzo.stoakes@oracle.com, ziy@nvidia.com, baolin.wang@linux.alibaba.com, Liam.Howlett@oracle.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, Muchun Song Subject: Re: [PATCH 1/4] mm: thp: replace folio_memcg() with folio_memcg_charged() Message-ID: References: <35038de39456f827c88766b90a1cec93cf151ef2.1758253018.git.zhengqi.arch@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <35038de39456f827c88766b90a1cec93cf151ef2.1758253018.git.zhengqi.arch@bytedance.com> X-Migadu-Flow: FLOW_OUT X-Stat-Signature: xe5c5n5z53ezie5tf6wbjj6sh6gynzdc X-Rspamd-Queue-Id: 76EA4100009 X-Rspam-User: X-Rspamd-Server: rspam03 X-HE-Tag: 1758317457-405571 X-HE-Meta: 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 kG862Fj4 l215+Myzgu5f8FLxLzOmsh3UqnkunYmxolO3EhrxtM3BMvzE7HoSzHOaIx6DSw5K6MTxmICMJrOHTJCaACPdM/UBYdC6+DXP6TC5Gl4RdIfp8PU3TlZaBWtz+nuqSLmEqFFbbtOb4UeB9ioFnJe4BgnS5vuBdKNb7ToiQfRgIyyz0RjfigOuy7qZuJmzRa7RhNKYCDzRxw8Z6+CxyxaBs6wS7YnG6Youqbt/21I/GFRsygZnWIb0+W0i++Ucs6/RXYIcVx6OllIK42Ru7rohqERyCDvWmyaW5kO1V2phEgc1o3MlRB/Npx9iFtmOydkRNpxQiesFvgkbsYCmL5oUT/HZkdg== 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: List-Subscribe: List-Unsubscribe: On Fri, Sep 19, 2025 at 11:46:32AM +0800, Qi Zheng wrote: > From: Muchun Song > > folio_memcg_charged() is intended for use when the user is unconcerned > about the returned memcg pointer. It is more efficient than folio_memcg(). > Therefore, replace folio_memcg() with folio_memcg_charged(). > > Signed-off-by: Muchun Song > Acked-by: Johannes Weiner > Signed-off-by: Qi Zheng Acked-by: Shakeel Butt