From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Down Subject: Re: [PATCH v3] mm: memcontrol: Add the missing numa_stat interface for cgroup v2 Date: Sun, 13 Sep 2020 18:09:13 +0100 Message-ID: <20200913170913.GB2239582@chrisdown.name> References: <20200913070010.44053-1-songmuchun@bytedance.com> Mime-Version: 1.0 Return-path: 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= Content-Disposition: inline In-Reply-To: <20200913070010.44053-1-songmuchun@bytedance.com> Sender: linux-doc-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" Content-Transfer-Encoding: 7bit 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 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?