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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 48AE6C0044C for ; Wed, 7 Nov 2018 21:52:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 092702086C for ; Wed, 7 Nov 2018 21:52:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 092702086C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727744AbeKHHZG (ORCPT ); Thu, 8 Nov 2018 02:25:06 -0500 Received: from mx1.redhat.com ([209.132.183.28]:56074 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726841AbeKHHZG (ORCPT ); Thu, 8 Nov 2018 02:25:06 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 596467BDD0; Wed, 7 Nov 2018 21:52:47 +0000 (UTC) Received: from llong.remote.csb (dhcp-17-55.bos.redhat.com [10.18.17.55]) by smtp.corp.redhat.com (Postfix) with ESMTP id 32B8D17018; Wed, 7 Nov 2018 21:52:30 +0000 (UTC) Subject: Re: [PATCH v14 00/12] Enable cpuset controller in default hierarchy To: Tejun Heo Cc: Peter Zijlstra , Li Zefan , Johannes Weiner , Ingo Molnar , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kernel-team@fb.com, pjt@google.com, luto@amacapital.net, Mike Galbraith , torvalds@linux-foundation.org, Roman Gushchin , Juri Lelli , Patrick Bellasi , Tom Hromatka References: <1539635377-22335-1-git-send-email-longman@redhat.com> <20181105163656.GK4182586@devbig004.ftw2.facebook.com> <20181106115335.GQ22431@hirez.programming.kicks-ass.net> <20181106115558.GB22485@hirez.programming.kicks-ass.net> <8c386375-b801-8adb-602e-40c73a7efedc@redhat.com> <20181107213229.GB2509588@devbig004.ftw2.facebook.com> From: Waiman Long Openpgp: preference=signencrypt Autocrypt: addr=longman@redhat.com; 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Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20181107213229.GB2509588@devbig004.ftw2.facebook.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Wed, 07 Nov 2018 21:52:48 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/07/2018 04:32 PM, Tejun Heo wrote: > Hello, > > On Tue, Nov 06, 2018 at 09:06:01AM -0500, Waiman Long wrote: >> On 11/06/2018 06:55 AM, Peter Zijlstra wrote: >>> On Tue, Nov 06, 2018 at 12:53:35PM +0100, Peter Zijlstra wrote: >>>> On Mon, Nov 05, 2018 at 08:36:56AM -0800, Tejun Heo wrote: >>>>> Hello, >>>>> >>>>> So, this looks good to me. Peter, I'm gonna roll the series into >>>>> cgroup/for-4.21-cpuset. Please holler if you have any objections / >>>>> comments. >>>> Mostly nits, except I think the interface for cpuset.sched.partition >>>> needs to find another term for "not a parition", "normal" really doesn't >>>> work for me. >>> cpuset.sched.partition: "true", "false", "error" >>> >>> makes more sense to me. >> The terms "true", "false", "error" look good to me. I can change the >> patchset to use those if Tejun has no objection. I will fix the other >> nits you have as well. > How about the following? > > Interface file is named "cpuset.cpus.partition" as it's a partition of > cpus. The writeable keys are "root" and "member" - a partition root > and a partition member. When "root" is requested but can't be > satisfied it shows "root invalid". This seems pretty consistent with > cgroup.type and other cpuset files. > > Thanks. > Yes, that looks good. I will revise my patchset to include those changes unless Peter has other better idea. Thanks, Longman