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=-8.4 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,USER_AGENT_SANE_1 autolearn=ham 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 72A70C433E2 for ; Sun, 13 Sep 2020 17:09:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 38F6F2076C for ; Sun, 13 Sep 2020 17:09:20 +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 S1725970AbgIMRJT (ORCPT ); Sun, 13 Sep 2020 13:09:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38998 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725938AbgIMRJQ (ORCPT ); Sun, 13 Sep 2020 13:09:16 -0400 Received: from mail-wm1-x342.google.com (mail-wm1-x342.google.com [IPv6:2a00:1450:4864:20::342]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8083EC06174A for ; Sun, 13 Sep 2020 10:09:15 -0700 (PDT) Received: by mail-wm1-x342.google.com with SMTP id e17so8541605wme.0 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=tOi7VKC4Sg6iYaTT92pESYdGgYldeIhk3OPSPuhYE0uzc+bM8i54ju1KktbRZxQ/wm nqD24KQU6c4hnx/RpA3cx8IKNidV0gOJVs9sbLsgDbuZEGxjwn9W5SvOPvcovXKfBOrR zCPBCxd3YUQwDmXxkFoFtWDIOCkEXY/suutGOsEJ4Zn4IVxLvidu8S2T3VEXaYfHnUUF nrIW/7VLCFYClG8zFbzRZIJT/DwR20FwDRye9z+Ta2KfVC+4cSPNrxT6teYhu7lW/4d9 /pOjGKMjzryrEbuajNsr5mUeebrk0X5HrCTrCroq/59G+VVMIRP9qLyK19ig4SBoi1V3 5zXA== X-Gm-Message-State: AOAM532XcBMUBCWTX+WLSAmjuL0FxJKYG69V1jjxqtyofL/40A00C4Fb 2sTNgTCv9akrnE9dCi6YMSa7ig== 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-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@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?