[PATCH] powerpc: add 16K/64K pages support for the 44x PPC32 architectures.

Hollis Blanchard hollis at penguinppc.org
Tue Dec 2 10:06:03 EST 2008


On Thu, Nov 27, 2008 at 5:44 PM, Ilya Yanok <yanok at emcraft.com> wrote:
> This patch adds support for page sizes bigger than 4K (16K/64K) on
> PPC 44x.
> PGDIR table is much smaller than page in case of 16K/64K pages (512
> and 32 bytes resp.) so we allocate PGDIR with kzalloc() instead of
> __get_free_pages().
> PTE table covers rather big memory area in case of 16K/64K pages
> (32MB and 512MB resp.) so we can easily put FIXMAP and PKMAP in
> area covered by one PTE table.

Ben, you had some comments on the previous version of this patch. Have
those been addressed to your satisfaction? If so, could you please
queue this for 2.6.29?

-Hollis



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