From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754572AbeEaKo2 (ORCPT ); Thu, 31 May 2018 06:44:28 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:48294 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754311AbeEaKoZ (ORCPT ); Thu, 31 May 2018 06:44:25 -0400 Date: Thu, 31 May 2018 12:44:13 +0200 From: Peter Zijlstra To: Waiman Long Cc: Tejun Heo , 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 Subject: Re: [PATCH v9 3/7] cpuset: Add cpuset.sched.load_balance flag to v2 Message-ID: <20180531104413.GH12180@hirez.programming.kicks-ass.net> References: <1527601294-3444-1-git-send-email-longman@redhat.com> <1527601294-3444-4-git-send-email-longman@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1527601294-3444-4-git-send-email-longman@redhat.com> User-Agent: Mutt/1.9.5 (2018-04-13) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 29, 2018 at 09:41:30AM -0400, Waiman Long wrote: > diff --git a/Documentation/cgroup-v2.txt b/Documentation/cgroup-v2.txt > index e7534c5..681a809 100644 > --- a/Documentation/cgroup-v2.txt > +++ b/Documentation/cgroup-v2.txt > @@ -1542,6 +1542,32 @@ Cpuset Interface Files > Further changes made to "cpuset.cpus" is allowed as long as > the first condition above is still true. > > + A parent scheduling domain root cgroup cannot distribute all > + its CPUs to its child scheduling domain root cgroups This I think wants to be in the previous patch > unless > + its load balancing flag is turned off. And this is indeed for here. 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=-5.6 required=5.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI, T_DKIM_INVALID 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 A23807D062 for ; Thu, 31 May 2018 10:44:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754553AbeEaKo1 (ORCPT ); Thu, 31 May 2018 06:44:27 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:48294 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754311AbeEaKoZ (ORCPT ); Thu, 31 May 2018 06:44:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=WREf3ESta4uEybD9RMP7dluESP93K0Uhm/lUkF60ykE=; b=JEgbALcl9+R0g4uTQF6XTbnOZ YkPKCVZK7At7NTmyDYjZPNrOAB1T5EHhsMT2+SezDkW1r/txC+yUkO0eOwSeFn/qZW5RadpVuXvz/ dCyO5EuknrKafTVZ7UVzo1C1GpiZV1k4aP3gjYX884zbVQGzF+xe6Pwt85f4Z8bwBfU8zsjSLxaZV G8aNm3h/mq9sIC4zhRRDMj4l9CHus2ZXpAlv1XzX3usvXjCb7mLDgwAL4eEpFbPJX/rOVjAW+6hcw iltINkgCilJ8BipIvzLCDbDUmPeSIZ/x6Vtv4fE/BHmb3YruDJodPT4QhwJhy+sRdvm2rfB+vQRqC MR06Stkfw==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1fOL43-0003no-3J; Thu, 31 May 2018 10:44:15 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 411CE202ACE62; Thu, 31 May 2018 12:44:13 +0200 (CEST) Date: Thu, 31 May 2018 12:44:13 +0200 From: Peter Zijlstra To: Waiman Long Cc: Tejun Heo , 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 Subject: Re: [PATCH v9 3/7] cpuset: Add cpuset.sched.load_balance flag to v2 Message-ID: <20180531104413.GH12180@hirez.programming.kicks-ass.net> References: <1527601294-3444-1-git-send-email-longman@redhat.com> <1527601294-3444-4-git-send-email-longman@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1527601294-3444-4-git-send-email-longman@redhat.com> User-Agent: Mutt/1.9.5 (2018-04-13) Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Tue, May 29, 2018 at 09:41:30AM -0400, Waiman Long wrote: > diff --git a/Documentation/cgroup-v2.txt b/Documentation/cgroup-v2.txt > index e7534c5..681a809 100644 > --- a/Documentation/cgroup-v2.txt > +++ b/Documentation/cgroup-v2.txt > @@ -1542,6 +1542,32 @@ Cpuset Interface Files > Further changes made to "cpuset.cpus" is allowed as long as > the first condition above is still true. > > + A parent scheduling domain root cgroup cannot distribute all > + its CPUs to its child scheduling domain root cgroups This I think wants to be in the previous patch > unless > + its load balancing flag is turned off. And this is indeed for here. -- 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