Received: by 2002:a05:6a10:a0d1:0:0:0:0 with SMTP id j17csp4271509pxa; Mon, 10 Aug 2020 05:32:07 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx19AbnxQKbHNNwM3cHQt4JqBBvZzd0WZTFMk4s2jad/cK0W4hjGXiYikKYKJ35dlZWB8Yp X-Received: by 2002:a17:906:660b:: with SMTP id b11mr22270415ejp.509.1597062727296; Mon, 10 Aug 2020 05:32:07 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1597062727; cv=none; d=google.com; s=arc-20160816; b=zZASjXe6BgdL0VQ455ra7Hq7a+G4kNOs2NYZr0p0zN1Yc6+08OX3kauzVp2h081f7t 9aogw3KO/sEDvTR7maV+NzLYc3TGaypF+Oph1qep8Ma5KtbeS9JUHQxgiO366b49dIBc Tp+mTaS+q5JbwRESNsC8HVg0YXgruK02Xq/azRM6pRQxmcAioSObdK1KwVcjLKUIVlOq A4RC/GtgQl7v2yC1ZBqmPcPrIKDRGMQg19Wf91L1Kibb8tkVaN32ZfN8P/COQRfX0jth rph7KHueQRDailF61Zz9GGJPRdQC1X8pThqXCSnl+DSl1kOxUULKUdJEVXWnyZ1mCYLn J6jQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:in-reply-to :mime-version:user-agent:date:message-id:from:references:cc:to :subject; bh=9vHjdyKSWZzX14NY1P40kmgFx8wwujEkqKGs5rGASAs=; b=kp2MYeFtcRRTflcXSjtV1ZhfaYt+TrhrMbAmNWb720mG3J4czTtugrTxu0vocY/H/5 XxrERKAKoobwAipftbk6aSlfye4iRM/rsjY2P7nFVVyIOg8V3w8X5I+dBgPmw96q8w9d rfWMVzJHP/bwK0SPs75ERB7r1ff6aX7LRUW4/Eg1PvDSwdWMSlqgAr+Yj1hk1Vj60NKC TcQ/ueIxU/BUvX7LcvC2uRrB9Z/hR8ZociDQOF4+EZ4w8UjFtvQ+HHL2M+U5CA91+xUS Be5KHd4CZnOng06NYTV/Co2qov7kMPlqLfE2IOomH9JmNQCZd/sBOei44a/Uz4kThu+B zIQw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id v26si10837254ejx.750.2020.08.10.05.31.44; Mon, 10 Aug 2020 05:32:07 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726729AbgHJMa1 (ORCPT + 99 others); Mon, 10 Aug 2020 08:30:27 -0400 Received: from out30-132.freemail.mail.aliyun.com ([115.124.30.132]:35375 "EHLO out30-132.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726450AbgHJMa0 (ORCPT ); Mon, 10 Aug 2020 08:30:26 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R101e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e07425;MF=alex.shi@linux.alibaba.com;NM=1;PH=DS;RN=7;SR=0;TI=SMTPD_---0U5MbFSe_1597062621; Received: from IT-FVFX43SYHV2H.local(mailfrom:alex.shi@linux.alibaba.com fp:SMTPD_---0U5MbFSe_1597062621) by smtp.aliyun-inc.com(127.0.0.1); Mon, 10 Aug 2020 20:30:21 +0800 Subject: Re: [PATCH] mm/memcg: remove useless check on page->mem_cgroup To: Michal Hocko Cc: Johannes Weiner , Vladimir Davydov , Andrew Morton , cgroups@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <1596166480-22814-1-git-send-email-alex.shi@linux.alibaba.com> <20200731151655.GB491801@cmpxchg.org> <9338716f-ca0e-057f-8d94-03e2b3f70281@linux.alibaba.com> <20200803081815.GD5174@dhcp22.suse.cz> <92dd8e68-8095-72c5-0144-2a084e4d5993@linux.alibaba.com> <20200810095500.GE4773@dhcp22.suse.cz> From: Alex Shi Message-ID: Date: Mon, 10 Aug 2020 20:29:53 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200810095500.GE4773@dhcp22.suse.cz> Content-Type: text/plain; charset=gbk Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ?? 2020/8/10 ????5:55, Michal Hocko ะด??: >> >> Signed-off-by: Alex Shi >> Cc: Johannes Weiner >> Cc: Michal Hocko >> Cc: Vladimir Davydov >> Cc: Andrew Morton >> Cc: cgroups@vger.kernel.org >> Cc: linux-mm@kvack.org >> Cc: linux-kernel@vger.kernel.org > Looks good to me. I am not familiar with the section tweaks but that > should be ok. > > Acked-by: Michal Hocko > Thanks a lot, Michal! > Once you collect more feedback, please send both patches so that they do > not get lost in this thread. I will resend with your ack. Thanks! Alex