From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-5.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 033697E27B for ; Tue, 1 May 2018 21:31:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751181AbeEAVbK (ORCPT ); Tue, 1 May 2018 17:31:10 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:59090 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750743AbeEAVbH (ORCPT ); Tue, 1 May 2018 17:31:07 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C8692406C797; Tue, 1 May 2018 21:31:06 +0000 (UTC) Received: from llong.remote.csb (dhcp-17-164.bos.redhat.com [10.18.17.164]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0E59F2022C00; Tue, 1 May 2018 21:31:06 +0000 (UTC) Subject: Re: [PATCH v7 4/5] cpuset: Restrict load balancing off cpus to subset of cpus.isolated To: Tejun Heo Cc: Li Zefan , Johannes Weiner , Peter Zijlstra , 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 References: <1524145624-23655-1-git-send-email-longman@redhat.com> <1524145624-23655-5-git-send-email-longman@redhat.com> <20180501195148.GC2368884@devbig577.frc2.facebook.com> <9eb2c45e-e71e-61ef-aa6d-b8124b739cdf@redhat.com> <20180501205828.GD2368884@devbig577.frc2.facebook.com> From: Waiman Long Organization: Red Hat Message-ID: Date: Tue, 1 May 2018 17:31:05 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0 MIME-Version: 1.0 In-Reply-To: <20180501205828.GD2368884@devbig577.frc2.facebook.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Tue, 01 May 2018 21:31:06 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Tue, 01 May 2018 21:31:06 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'longman@redhat.com' RCPT:'' Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On 05/01/2018 04:58 PM, Tejun Heo wrote: > Hello, > > On Tue, May 01, 2018 at 04:33:45PM -0400, Waiman Long wrote: >> I think that will work too. We currently don't have a flag to make a >> file visible on first-level children only, but it shouldn't be hard to >> make one. > I think it'd be fine to make the flag file exist on all !root cgroups > but only writable on the first level children. Right. This flag will be inherited by child cgroups like the sched_load_balance. Cheers, Longman -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html