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Subject: Re: [patch 2/3] CONFIG_HIGHPTE vs. sub-page page tables.
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Date: Thu, 03 Jan 2008 08:28:54 +1100
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To: Geert Uytterhoeven <geert@linux-m68k.org>
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> > Can we please just nuke CONFIG_HIGHPTE?  There's only been a small
> > amount of 32bit machines with so much memory that they'd need it
> > and they can happily stay on the currently supported enterprise
> > distro releases instead of dragging this cruft around forever.
> 
> And all MMU-equipped FR-V machines with more than 256 MiB of RAM,
> according to arch/frv/Kconfig?

ppc32 uses that too when highmem is on.

Ben.