linux-kernel - Re: [PATCH 03/10] mm: tag reseve pages

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Message-ID: <Pine.LNX.4.64.0708061208280.7603@schroedinger.engr.sgi.com>
Date:	Mon, 6 Aug 2007 12:09:02 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Andi Kleen <andi@...stfloor.org>
cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	David Miller <davem@...emloft.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Daniel Phillips <phillips@...gle.com>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Matt Mackall <mpm@...enic.com>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Steve Dickson <SteveD@...hat.com>
Subject: Re: [PATCH 03/10] mm: tag reseve pages

On Mon, 6 Aug 2007, Andi Kleen wrote:

> I always cringe when I hear that. It's really more than node/sparsemem
> use too many bits. If we get rid of 32bit NUMA that problem would be
> gone for the node at least because it could be moved into the mostly
> unused upper 32bit part on 64bit architectures.

Looks like that will not be possible. Seems that embedded systems 
now want NUMA support.
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