linux-kernel - Re: [PATCH v6 2/2] cpuset: Add cpuset.sched_load

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Message-ID: <20180327140259.GN1840639@devbig577.frc2.facebook.com>
Date:   Tue, 27 Mar 2018 07:02:59 -0700
From:   Tejun Heo <tj@...nel.org>
To:     Waiman Long <longman@...hat.com>
Cc:     Juri Lelli <juri.lelli@...hat.com>, Li Zefan <lizefan@...wei.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
        kernel-team@...com, pjt@...gle.com, luto@...capital.net,
        efault@....de, torvalds@...ux-foundation.org,
        Roman Gushchin <guro@...com>
Subject: Re: [PATCH v6 2/2] cpuset: Add cpuset.sched_load_balance to v2

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