From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 14AF1C43461 for ; Sun, 13 Sep 2020 17:09:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D497720723 for ; Sun, 13 Sep 2020 17:09:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chrisdown.name header.i=@chrisdown.name header.b="kXjiBqYL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725977AbgIMRJU (ORCPT ); Sun, 13 Sep 2020 13:09:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39000 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725945AbgIMRJQ (ORCPT ); Sun, 13 Sep 2020 13:09:16 -0400 Received: from mail-wm1-x341.google.com (mail-wm1-x341.google.com [IPv6:2a00:1450:4864:20::341]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8EF60C061787 for ; Sun, 13 Sep 2020 10:09:15 -0700 (PDT) Received: by mail-wm1-x341.google.com with SMTP id w2so8539334wmi.1 for ; Sun, 13 Sep 2020 10:09:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chrisdown.name; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=NHSyG/ZtG9S0n0YZM7cSzTFQ+FkKUxE2tX0ghcDmfZ0=; b=kXjiBqYL6OViT3ewAjh9aCHJsTXRTaC9OZ01erzxJzAY0iuwHOa6mBt/6RPf+22jJd g+UbRQyTmu2YclZLlFGpfI5q/gvpZ+Fu5Z73vb11F0o9mGNsGXQvXPXxKQod18U4WBU1 HxqWnKX+7mSCl2lhKU7uexA73WmMS93491Q9o= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=NHSyG/ZtG9S0n0YZM7cSzTFQ+FkKUxE2tX0ghcDmfZ0=; b=siQ/KxllOh4BsecokmFPfa+qDaQFsoMsvI4PhjeRbN3HoKDTkcH61nrrWWYmKfvVsN x/iq26C6P+704kwKXBIKUp5EiZJ/GDti7FOl2X0u1gpPiGN3H3miik23ckTBoiIzv/vO tLN+pdm4qrf/f0ZUJBv8Y+UaueB7QHH3P+AP+hzkKYnEvmmWKGlRHkEe8lQML4HT7I1A zLukV2IqPUM/wSJS8aPzrqCef0NZ//mPmfYgsCBPgua8Ee4OQHHpvQNBZCa9jcP6EABW xMblVbu9XYZ0BzuWSfOpRZ9y5Q7Qj1ovqRqxxwfb/nTcjRwjiTt9TKuya7fXOlpIFe7R vIUg== X-Gm-Message-State: AOAM533XsHayhttPAF0qx1qWDxwoOdd/GGcP/si0DOtQCX0DkW1T5RDx KEmRt71UBdygwAzHcafr3C/cMg== X-Google-Smtp-Source: ABdhPJwL1luvqQq2GdA/kvbVc2X5wQ2OPvXWO9D/pL7y3epijMqdaCQIrgYZQ16AcG8kZ+Tp9tpJIA== X-Received: by 2002:a1c:6555:: with SMTP id z82mr11236947wmb.101.1600016954047; Sun, 13 Sep 2020 10:09:14 -0700 (PDT) Received: from localhost ([2a01:4b00:8432:8a00:63de:dd93:20be:f460]) by smtp.gmail.com with ESMTPSA id q18sm15870487wre.78.2020.09.13.10.09.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 13 Sep 2020 10:09:13 -0700 (PDT) Date: Sun, 13 Sep 2020 18:09:13 +0100 From: Chris Down To: Muchun Song Cc: tj@kernel.org, lizefan@huawei.com, hannes@cmpxchg.org, corbet@lwn.net, mhocko@kernel.org, vdavydov.dev@gmail.com, akpm@linux-foundation.org, shakeelb@google.com, guro@fb.com, cgroups@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, kernel test robot Subject: Re: [PATCH v3] mm: memcontrol: Add the missing numa_stat interface for cgroup v2 Message-ID: <20200913170913.GB2239582@chrisdown.name> References: <20200913070010.44053-1-songmuchun@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20200913070010.44053-1-songmuchun@bytedance.com> User-Agent: Mutt/1.14.6 (2020-07-11) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Muchun Song writes: >In the cgroup v1, we have a numa_stat interface. This is useful for >providing visibility into the numa locality information within an >memcg since the pages are allowed to be allocated from any physical >node. One of the use cases is evaluating application performance by >combining this information with the application's CPU allocation. >But the cgroup v2 does not. So this patch adds the missing information. > >Signed-off-by: Muchun Song >Suggested-by: Shakeel Butt >Reported-by: kernel test robot This is a feature patch, why does this have LKP's Reported-by?