linux-kernel - Re: [tip:sched/numa] sched/numa: Introduce sys_numa

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Message-ID: <1337356050.573.73.camel@twins>
Date:	Fri, 18 May 2012 17:47:30 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Christoph Lameter <cl@...ux.com>
Cc:	Rik van Riel <riel@...hat.com>, mingo@...nel.org, hpa@...or.com,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	pjt@...gle.com, bharata.rao@...il.com, akpm@...ux-foundation.org,
	Lee.Schermerhorn@...com, aarcange@...hat.com, danms@...ibm.com,
	suresh.b.siddha@...el.com, tglx@...utronix.de,
	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:sched/numa] sched/numa: Introduce sys_numa_{t,m}bind()

On Fri, 2012-05-18 at 10:37 -0500, Christoph Lameter wrote:
> On Fri, 18 May 2012, Peter Zijlstra wrote:
> 
> > Most of that is due to existing interfaces, I'm afraid we cannot
> > simplify without reducing those :/
> 
> I think some change to those would also be appropriate. Those have grown
> over a long time and there are some areas of problematic integration with
> the scheduler, numa policies and cpusets etc.

You're free to explore that avenue.. But afaict all these interfaces are
in active use. 

And yes, some of it is rather awkward, but such is the price we pay for
backwards compatibility.
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