From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH v6 2/2] cpuset: Add cpuset.sched_load_balance to v2 Date: Tue, 27 Mar 2018 07:02:59 -0700 Message-ID: <20180327140259.GN1840639@devbig577.frc2.facebook.com> References: <1521649309-26690-1-git-send-email-longman@redhat.com> <1521649309-26690-3-git-send-email-longman@redhat.com> <20180322084120.GE7231@localhost.localdomain> <20180323075952.GA4763@localhost.localdomain> <20180326124711.GE5942@localhost.localdomain> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=J1NhkEotXjjRMdSvuv5xiYSu5+7HaTdTU3p4TqolSe8=; b=REvfRjz83EVbTkwjkT61kFYHFPeXYIexiPk9UXqqxDbR1tIsi59yUgZFaXa+lM7Wsl R2vkkbhT9zgOObHApc6rTttrED0ccnwfDyEJ5Qu93OPJD3kBk/5qmXebZP/f0qgW0jYf 9OyjkMbz0XlkK/+RLpFmXj880h4g1Bbyy8gE1t+Add+TnerjWkXNFsqaay+wgR+4ospy Ijc6LKzwPa5RZpOIbtAGDJhOQqDpmTBowQYbF56Rno3H0Dwjsb9FImSpMcUMZnQFb64Y yH63+QNHuOsDKwiCgWPgpQpmomsR7zbI31TzGPrOz9vVcAiTVs4+Imcz21M4nfnJvVZ/ CRqA== Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Waiman Long Cc: Juri Lelli , 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, efault@gmx.de, torvalds@linux-foundation.org, Roman Gushchin Hello, On Mon, Mar 26, 2018 at 04:28:49PM -0400, Waiman Long wrote: > Maybe we can have a different root level flag, say, > sched_partition_domain that is equivalent to !sched_load_balnace. > However, I am still not sure if we should enforce that no task should be > in the root cgroup when the flag is set. > > Tejun and Peter, what are your thoughts on this? I haven't looked into the other issues too much but we for sure cannot empty the root cgroup. Thanks. -- tejun