[PATCH v2] powerpc: 64K page support for kexec

[Benjamin Herrenschmidt]

On Wed, 2007-04-25 at 16:35 -0300, Luke Browning wrote:
> This patch fixes a couple of kexec problems related to 64K page 
> support in the kernel.  kexec issues a tlbie for each pte.  The 
> parameters for the tlbie are the page size and the virtual address.
> Support was missing for the computation of these two parameters
> for 64K pages.  This patch adds that support.  
> 
> Signed-off-by: Luke Browning <lukebrowning at us.ibm.com>

Quick look: looks good to me. I suppose you verified it works well
too :-)

(Have you added some debug to check we get the 16M case right ?)

Note that Milton is against using BUG_ON's in here since that code is
used for crash dumps.

Appart from that,

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

Cheers,
Ben.