From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH 1/4] numa: introduce per-cgroup numa balancing locality,
 statistic
Date: Fri, 12 Jul 2019 11:42:14 +0200
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Cc: hannes@cmpxchg.org, mhocko@kernel.org, vdavydov.dev@gmail.com, Ingo Molnar <mingo@redhat.com>, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mcgrof@kernel.org, keescook@chromium.org, linux-fsdevel@vger.kernel.org, cgroups@vger.kernel.org, Mel Gorman <mgorman@suse.de>, riel@surriel.com

On Fri, Jul 12, 2019 at 05:11:25PM +0800, 王贇 wrote:
> 
> 
> On 2019/7/12 下午3:58, Peter Zijlstra wrote:
> [snip]
> >>>
> >>> Then our task t1 should be accounted to B (as you do), but also to A and
> >>> R.
> >>
> >> I get the point but not quite sure about this...
> >>
> >> Not like pages there are no hierarchical limitation on locality, also tasks
> > 
> > You can use cpusets to affect that.
> 
> Could you please give more detail on this?

Documentation/cgroup-v1/cpusets.txt

Look for mems_allowed.