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Thu, 29 Jul 2021 19:43:09 -0700 (PDT) MIME-Version: 1.0 References: <20210729125755.16871-1-linmiaohe@huawei.com> <20210729125755.16871-3-linmiaohe@huawei.com> In-Reply-To: <20210729125755.16871-3-linmiaohe@huawei.com> From: Muchun Song Date: Fri, 30 Jul 2021 10:42:29 +0800 Message-ID: Subject: Re: [PATCH 2/5] mm, memcg: narrow the scope of percpu_charge_mutex To: Miaohe Lin Cc: Johannes Weiner , Michal Hocko , Vladimir Davydov , Andrew Morton , Shakeel Butt , Roman Gushchin , Matthew Wilcox , Alex Shi , Wei Yang , Linux Memory Management List , LKML , Cgroups Content-Type: text/plain; charset="UTF-8" Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=bytedance-com.20150623.gappssmtp.com header.s=20150623 header.b=JgClgnU9; spf=pass (imf25.hostedemail.com: domain of songmuchun@bytedance.com designates 209.85.214.180 as permitted sender) smtp.mailfrom=songmuchun@bytedance.com; dmarc=pass (policy=none) header.from=bytedance.com X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: D5767B00C767 X-Stat-Signature: 8bysfntcmt7kxac8nccxrny8gh6w4du9 X-HE-Tag: 1627612990-909933 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: On Thu, Jul 29, 2021 at 8:58 PM Miaohe Lin wrote: > > Since percpu_charge_mutex is only used inside drain_all_stock(), we can > narrow the scope of percpu_charge_mutex by moving it here. > > Signed-off-by: Miaohe Lin LGTM. Reviewed-by: Muchun Song