linux-kernel - Re: [PATCH 1/3] cgroup: define controller file conventions

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Message-ID: <20150804145107.GB17598@mtj.duckdns.org>
Date:	Tue, 4 Aug 2015 10:51:07 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	mingo@...hat.com, hannes@...xchg.org, lizefan@...wei.com,
	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-team@...com
Subject: Re: [PATCH 1/3] cgroup: define controller file conventions

Hello,

On Tue, Aug 04, 2015 at 10:42:57AM +0200, Peter Zijlstra wrote:
> On Mon, Aug 03, 2015 at 06:41:27PM -0400, Tejun Heo wrote:
> > +- If a controller implements an absolute resource limit, the control
> > +  knob should be named "max".  The special token "max" should be used
> > +  to represent no limit for both reading and writing.
> 
> So what do you do with minimal resource guarantees? That's still an
> absolute resource limit and 'max' is obviously the wrong name.

The whole spectrum is min, low, high, max where min, max are absolute
guarantee, upper limit and low, high are best effort ones.  Will
update the doc.

Thanks.

-- 
tejun
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