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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1760510167; 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=CQXtHg5khcpjKfA9N6hKlz732m3j1ep8SxiJ8w0fvZk=; b=sZxMVdrFhkD87zH9b3Mee+lB9R/FSU8wb9ObVJc8sQoieXdZAQYZvcV9B/4fjpH09EV4Tb IabURBYbRnKXfAnFXx5aIRo7bnIPs/jywS1YV8+p+zBNDLVW5m/r2uuhZNFMi+MID/4qjZ ux7cYSCnmZPPUuL4BXVK6Xk2m73xBuE= 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 Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, Muchun Song , Qi Zheng Subject: [PATCH v5 1/4] mm: thp: replace folio_memcg() with folio_memcg_charged() Date: Wed, 15 Oct 2025 14:35:30 +0800 Message-ID: In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam05 X-Stat-Signature: gwy98dgazicidu5q6w41o3wrud5p7grp X-Rspam-User: X-Rspamd-Queue-Id: 29BE4140014 X-HE-Tag: 1760510168-743940 X-HE-Meta: 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 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 1d1b74950332e..3c42db542b1b9 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -4014,7 +4014,7 @@ 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