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Date: Thu, 31 May 2018 12:44:13 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Waiman Long <longman@redhat.com>
Cc: Tejun Heo <tj@kernel.org>, Li Zefan <lizefan@huawei.com>,
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        Juri Lelli <juri.lelli@redhat.com>,
        Patrick Bellasi <patrick.bellasi@arm.com>
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>
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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.