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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1762762745; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ORWbg/QZ7k/YwOw+EM9hdfo/jfLOQNj4xWZcq69g5Tk=; b=B0dyRP4z53AScVJIQQmak2yHxuvAoCqppuID0nCCzRLNQ3fqvFkNRprnpcyaTpTQduw/+/ FOm4LjRTjuekPdcyqEW4mleUB+0Hht2sTsI2i+NABPoC7Vka/dPageeuilVHLSSJ5YORUA g3v99icWRon3eRLlxefji7Ua3uW17fk= From: Qi Zheng To: hannes@cmpxchg.org, hughd@google.com, mhocko@suse.com, roman.gushchin@linux.dev, shakeel.butt@linux.dev, muchun.song@linux.dev, david@redhat.com, lorenzo.stoakes@oracle.com, ziy@nvidia.com, harry.yoo@oracle.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, richard.weiyang@gmail.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, Muchun Song , Qi Zheng Subject: [PATCH v6 1/4] mm: thp: replace folio_memcg() with folio_memcg_charged() Date: Mon, 10 Nov 2025 16:17:55 +0800 Message-ID: <56624d537520e33e5a6b3755238b3dfb959a52ee.1762762324.git.zhengqi.arch@bytedance.com> In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 13C9440007 X-Stat-Signature: 5t95dq8jybxtx65qb5tknb4kg3jfuueq X-HE-Tag: 1762762746-169039 X-HE-Meta: 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 sDZf4R+4 eamjOQPsM0LwNn9J2c8zKIPclnxI3F2HxAKWUz8a1pdRWsfW/PbkQXHYba3ePPB8wYkVljsMgDOBMirLBNYejbt1E0EDVLDl7kZewWuLubGoCU3R8wX4ipZDo7xrhBH/JmpI86cc/9JvaumV/AdDHeZPwtRFP0csHzkJC2NsdwHM/GOwLzoQnlT5yFzfhgs0/App+us3PGnXYNL7g9FcOEzqF2UGgxmZ+BzDbingONRH7fNiCOm8VHZUEa3LQ9a9pMqEy5KhF9OnE9JaXAoAA/XvfkQsxqdwndPcwScwC9V421QHfvsVZ781Ki+sUkD6lx0w2ffbZ/avESIPV2RfNwnll4+dOvtjzMwsN9qEljXgB1Xbz/iNYLt4XZs6Gf3+tCdR18vYarJfegEPDcExfTX2l2JRYabk5hfmgt/69Z3o/kt2lSDUTl5t/bbij0gIFBxeg 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: 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 Signed-off-by: Qi Zheng Acked-by: Johannes Weiner Acked-by: Shakeel Butt Acked-by: David Hildenbrand Reviewed-by: Roman Gushchin Reviewed-by: Harry Yoo --- mm/huge_memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 949250932bb41..84ef014b2c11f 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -4140,7 +4140,7 @@ bool __folio_unqueue_deferred_split(struct folio *folio) bool unqueued = false; WARN_ON_ONCE(folio_ref_count(folio)); - WARN_ON_ONCE(!mem_cgroup_disabled() && !folio_memcg(folio)); + WARN_ON_ONCE(!mem_cgroup_disabled() && !folio_memcg_charged(folio)); ds_queue = get_deferred_split_queue(folio); spin_lock_irqsave(&ds_queue->split_queue_lock, flags); -- 2.20.1