linux-kernel - Re: [PATCH 13/40] autonuma: CPU follow memory algorithm

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Message-ID: <1340995260.28750.103.camel@twins>
Date:	Fri, 29 Jun 2012 20:41:00 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	dlaor@...hat.com
Cc:	Ingo Molnar <mingo@...nel.org>, Hillf Danton <dhillf@...il.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Dan Smith <danms@...ibm.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, Paul Turner <pjt@...gle.com>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Mike Galbraith <efault@....de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	Bharata B Rao <bharata.rao@...il.com>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Rik van Riel <riel@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Christoph Lameter <cl@...ux.com>,
	Alex Shi <alex.shi@...el.com>,
	Mauricio Faria de Oliveira <mauricfo@...ux.vnet.ibm.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Don Morris <don.morris@...com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: [PATCH 13/40] autonuma: CPU follow memory algorithm

On Fri, 2012-06-29 at 12:51 -0400, Dor Laor wrote:
> t's hard to say whether Peter's like to add ia64 support or 
> just like to get rid of the forceful migration as a whole. 

I've stated several times that all archs that have CONFIG_NUMA must be
supported before we can consider any of this. I've no intention of doing
so myself. Andrea wants this, Andrea gets to do it.

I've also stated several times that forceful migration in the context of
numa balancing must go.
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