Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752296AbeAJWe4 (ORCPT + 1 other); Wed, 10 Jan 2018 17:34:56 -0500 Received: from mail-pg0-f48.google.com ([74.125.83.48]:43889 "EHLO mail-pg0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751561AbeAJWex (ORCPT ); Wed, 10 Jan 2018 17:34:53 -0500 X-Google-Smtp-Source: ACJfBosZnH3Vhxzpa5wJO1flc36lgLCJnLJDQEXEu7q0pYxlSZSQYcH4qHabexQO0tW0aprFW/1TOw== Cc: mtk.manpages@gmail.com, "Serge E. Hallyn" , linux-man , lkml , cgroups@vger.kernel.org, Roman Gushchin Subject: Re: cgroups(7): documenting cgroups v2 delegation To: Tejun Heo References: <20180108141450.GP3668920@devbig577.frc2.facebook.com> <6c9fdaee-739f-164d-d04e-fb3a7319db90@gmail.com> <20180109210722.GS3668920@devbig577.frc2.facebook.com> <672cd179-31be-e03a-f9ff-ce59b76e23e2@gmail.com> <20180110142640.GB3668920@devbig577.frc2.facebook.com> <655118da-6d58-8f02-7367-77c10a3c16ea@gmail.com> <20180110193907.GC3460072@devbig577.frc2.facebook.com> <20180110221418.GF3460072@devbig577.frc2.facebook.com> <5207cfc8-5525-b932-baee-6b0160886178@gmail.com> <20180110222726.GG3460072@devbig577.frc2.facebook.com> From: "Michael Kerrisk (man-pages)" Message-ID: Date: Wed, 10 Jan 2018 23:34:46 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: <20180110222726.GG3460072@devbig577.frc2.facebook.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: On 01/10/2018 11:27 PM, Tejun Heo wrote: > Hello, > > On Wed, Jan 10, 2018 at 11:24:05PM +0100, Michael Kerrisk (man-pages) wrote: >>> Oh, I'm probably mixing up two things. >>> >>> 1. When delegating, cgroup.threads should be delegated. Doing that >>> selectively doesn't achieve anything meaningful. >> >> Understood. But surely delegating cgroup.threads is effectively >> meaningless when delegating a "domain" cgroup tree? (Obviously it's >> not harmful to delegate the the cgroup.threads file in this case; >> it's just not useful to do so.) > > Yeap, unless we can somehow support non-root mixed domains. Thanks for the clarification/confirmation, Tejun. Cheers, Michael -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/