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Date: Wed, 7 Aug 2002 11:07:52 +1000
From: Anton Blanchard <anton@samba.org>
To: Andrew Morton <akpm@zip.com.au>
Cc: William Lee Irwin III <wli@holomorphy.com>, linux-kernel@vger.kernel.org,
       riel@surriel.com
Subject: Re: fix CONFIG_HIGHPTE
Message-ID: <20020807010752.GC6343@krispykreme>
References: <20020806231522.GJ6256@holomorphy.com> <3D506D43.890EA215@zip.com.au>
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> We're piling more and more crap in there to support these pte_chains.
> How much is too much?
> 
> Is it likely that large pages and/or shared pagetables would allow us to
> place pagetables and pte_chains in the direct-mapped region, avoid all
> this?

On ppc64 shared pagetables will require significant changes to the way
we handle the hardware hashtable. So add that to the "more and more crap
in there to support these pte_chains"

Will shared pagetables be a requirement or can we turn it on per arch?

Anton
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