[PATCH] Generalize hpte_decode()

[Benjamin Herrenschmidt]

On Thu, 2007-05-10 at 15:28 +1000, Paul Mackerras wrote:
> This adds the necessary support to hpte_decode() to handle 1TB
> segments and 16GB pages, and also removes an uninitialized value
> warning on avpn.
> 
> We don't have any code to generate HPTEs for 1TB segments or 16GB
> pages yet, so this is mostly for completeness, and also to fix the
> warning.
> 
> Signed-off-by: Paul Mackerras <paulus at samba.org>

Not that you really need it but ...

Acked-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>