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Mon, 02 Dec 2024 10:42:11 -0800 (PST) Received: from KASONG-MC4.tencent.com ([106.37.120.120]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-725417fb7d5sm8849781b3a.94.2024.12.02.10.42.08 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 02 Dec 2024 10:42:11 -0800 (PST) From: Kairui Song To: linux-mm@kvack.org Cc: Andrew Morton , Chris Li , Hugh Dickins , "Huang, Ying" , Yosry Ahmed , Roman Gushchin , Shakeel Butt , Johannes Weiner , Barry Song , Michal Hocko , linux-kernel@vger.kernel.org, Kairui Song Subject: [PATCH 1/4] mm, memcontrol: avoid duplicated memcg enable check Date: Tue, 3 Dec 2024 02:41:51 +0800 Message-ID: <20241202184154.19321-2-ryncsn@gmail.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241202184154.19321-1-ryncsn@gmail.com> References: <20241202184154.19321-1-ryncsn@gmail.com> Reply-To: Kairui Song MIME-Version: 1.0 X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 434084000E X-Stat-Signature: 45iwekee9da5aa949x6yqgtn1ia9ccp3 X-Rspam-User: X-HE-Tag: 1733164918-711307 X-HE-Meta: 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 hgr/Emfi 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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: Kairui Song mem_cgroup_uncharge_swap() implies a mem_cgroup_disabled() check, which is already checked by the caller here. Skip it by calling __mem_cgroup_uncharge_swap() directly. Signed-off-by: Kairui Song Reviewed-by: Yosry Ahmed Acked-by: Shakeel Butt Reviewed-by: Roman Gushchin Reviewed-by: Barry Song --- mm/memcontrol.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 7b3503d12aaf..d3d1eb506eee 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4615,7 +4615,7 @@ void mem_cgroup_swapin_uncharge_swap(swp_entry_t entry, unsigned int nr_pages) * let's not wait for it. The page already received a * memory+swap charge, drop the swap entry duplicate. */ - mem_cgroup_uncharge_swap(entry, nr_pages); + __mem_cgroup_uncharge_swap(entry, nr_pages); } }