linux-kernel - Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource group and PRIO

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Message-ID: <20160414195748.GK7822@mtj.duckdns.org>
Date:	Thu, 14 Apr 2016 15:57:48 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Mike Galbraith <umgwanakikbuti@...il.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Johannes Weiner <hannes@...xchg.org>,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	mingo@...hat.com, lizefan@...wei.com, pjt@...gle.com,
	linux-kernel@...r.kernel.org, cgroups@...r.kernel.org,
	linux-api@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource
 group and PRIO_RGRP

Hello, Mike.

On Thu, Apr 14, 2016 at 08:07:37AM +0200, Mike Galbraith wrote:
> Let /foo be an exclusive cpuset containing exclusive subset bar.
> How can any task acquire set foo affinity if B really really
> applies?  My box calls me a dummy if I try to create a "proper" home
> for tasks, one with both no snobby neighbors and proper affinity.

I'm not sure I quite understand what you're saying.  Are you referring
to the cpuset.{cpu|mem}_exclusive knobs?

Thanks.

-- 
tejun