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

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Date:	Mon, 6 Aug 2007 12:16:11 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	Andi Kleen <andi@...stfloor.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	David Miller <davem@...emloft.net>,
	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, Andrew Morton wrote:

> Plus I don't think there are many flags left in the upper 32-bits.  ia64
> swooped in and gobbled lots of them, although it's not immediately clear
> how many were consumed.

IA64 uses one of these bits for the uncached allocator.  10 bits used for 
the node. Sparsemem may use some of the rest.



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