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[2620:137:e000::1:20]) by mx.google.com with ESMTP id g7-20020a636b07000000b00429c51217b5si3602561pgc.331.2022.08.17.15.16.40; Wed, 17 Aug 2022 15:16:56 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20210112 header.b=ghlXe6am; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242316AbiHQVPq (ORCPT + 99 others); Wed, 17 Aug 2022 17:15:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51762 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241421AbiHQVPo (ORCPT ); Wed, 17 Aug 2022 17:15:44 -0400 Received: from mail-pf1-x434.google.com (mail-pf1-x434.google.com [IPv6:2607:f8b0:4864:20::434]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5333657560 for ; Wed, 17 Aug 2022 14:15:43 -0700 (PDT) Received: by mail-pf1-x434.google.com with SMTP id o7so413893pfb.9 for ; Wed, 17 Aug 2022 14:15:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc; bh=W68mRWKkzm4aDvuZ9fpamtsHCYcoX/l6oOU0+8H2cO4=; b=ghlXe6amfyyPTIvD8h2OzBZpSNxzzwySTwBtK1UPSmnioTgnh6ix6wHqO5kkTg0id+ msSOuCmLyksrTHImHfmjouS47CtMFxITU5gi9f9dvldGB5A+XaCdOygO9Wk1kI2fG01k mnkM6RBrYtjI5H9PhOLA9YFlbm3DdpnK9Iq/2bqLHlbzzTpDQvfbmoKgltQTn0/p6NAc DCKybAFDCfMwKpL/UM2ZDY1iiUGT/jsB60Wt2vXKlXfCy4i8Axz5tjYLUI3gqKqx83+P WiTAExMVQs73pP/z+J3YbTy8VXkGUNvfdnVY18SLK8UfHsWoced8Q2a6VlJc/8tg5gh3 g7ng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc; bh=W68mRWKkzm4aDvuZ9fpamtsHCYcoX/l6oOU0+8H2cO4=; b=OfbsObQMgoEeNg3rCtC7xuZv0wZX5pZ58LlB8TW7PHiqgy4JFO11unugZlLUhKnco5 f/WQ4Jmsr4PWsGFx4RVWhuywzGIL7UIjaDN5H9nZwwABPxY3k51g2bgs6H2SNp4YvqrR 3Re/AsONZEuCbwzeyOIYhGRxl3PCQYjNV734Zg8SXfggXm0evFjSvjkQ4RSfGgruZYTC TA/wHnSpPf50eyO12KDesrq4LzsFknfDjTQOyrukQK9VP4QZhzGdQSNQDnt7t6riBK73 uwhLe/8aiaFSlxmAlti5JtUAiekCPN7kOCAaoFf0eDcM+qFYE3gn6wjGde1fUWDsBUrs CNfg== X-Gm-Message-State: ACgBeo3HEqnF6ht8LFI0TsBMaS98BXACc7Ihma0uUnFk/6adxE5MfMb/ tx2ThrmWmOuy8haQ0tlvFPX/7CIe+0VYfCjpRL0vNA== X-Received: by 2002:a05:6a00:2392:b0:52e:b4fb:848 with SMTP id f18-20020a056a00239200b0052eb4fb0848mr62888pfc.8.1660770942604; Wed, 17 Aug 2022 14:15:42 -0700 (PDT) MIME-Version: 1.0 References: <20220816185801.651091-1-shy828301@gmail.com> In-Reply-To: <20220816185801.651091-1-shy828301@gmail.com> From: Shakeel Butt Date: Wed, 17 Aug 2022 14:15:31 -0700 Message-ID: Subject: Re: [PATCH] mm: memcg: export workingset refault stats for cgroup v1 To: Yang Shi Cc: Johannes Weiner , Michal Hocko , Roman Gushchin , Muchun Song , Andrew Morton , Cgroups , Linux MM , LKML Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-17.6 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, ENV_AND_HDR_SPF_MATCH,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE,USER_IN_DEF_DKIM_WL,USER_IN_DEF_SPF_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Aug 16, 2022 at 11:58 AM Yang Shi wrote: > > Workingset refault stats are important and usefule metrics to measure *useful > how well reclaimer and swapping work and how healthy the services are, > but they are just available for cgroup v2. There are still plenty users > with cgroup v1, export the stats for cgroup v1. > > Signed-off-by: Yang Shi Acked-by: Shakeel Butt