[PATCH v2] powerpc: Use RCU based pte free mechanism for all powerpc

[Benjamin Herrenschmidt]

On Wed, 2008-11-19 at 16:50 -0600, Kumar Gala wrote:
> Refactor the RCU based pte free code that was used on ppc64 to be used
> on all powerpc.
> 
> Additionally refactor pte_free() & pte_free_kernel() into common code
> between ppc32 & ppc64.
> 
> Signed-off-by: Kumar Gala <galak at kernel.crashing.org>
> ---
> * Only does RCU if CONFIG_SMP
> * Removed hash_page_sync() as its not needed if we do RCU

Patch looks good. I'll try to test it a bit tomorrow.

Cheers,
Ben.