From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Mon, 6 Aug 2007 12:16:11 -0700 (PDT)
From: Christoph Lameter <clameter@sgi.com>
Subject: Re: [PATCH 03/10] mm: tag reseve pages
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To: Andrew Morton <akpm@linux-foundation.org>
Cc: Andi Kleen <andi@firstfloor.org>, Peter Zijlstra <a.p.zijlstra@chello.nl>, linux-kernel@vger.kernel.org, linux-mm@kvack.org, David Miller <davem@davemloft.net>, Daniel Phillips <phillips@google.com>, Pekka Enberg <penberg@cs.helsinki.fi>, Matt Mackall <mpm@selenic.com>, Lee Schermerhorn <Lee.Schermerhorn@hp.com>, Steve Dickson <SteveD@redhat.com>
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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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