From mboxrd@z Thu Jan  1 00:00:00 1970
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Thu, 11 Mar 2010 21:44:31 +0000
Subject: Re: USB mass storage and ARM cache coherency
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To: linux-arm-kernel@lists.infradead.org

On Wed, 2010-03-10 at 12:52 +0900, Paul Mundt wrote:
> Well, it does start to get a bit painful with sparsemem section or
> NUMA
> node IDs also digging in to the page flags on 32-bit.. the benefits
> would
> have to be pretty compelling to offset the pain. 

Unless we play a dangerous trick and re-use another flag that isn't
meaningful for allocated pages... maybe PG_buddy ? Or do I miss
something about that guy semantics ?

Cheers,
Ben.