powerpc/mm: Recompute hash value after a failed update

[Michael Ellerman]

On Tue, 2015-15-09 at 07:00:08 UTC, "Aneesh Kumar K.V" wrote:
> If we had secondary hash flag set, we ended up modifying hash value in
> the updatepp code path. Hence with a failed updatepp we will be using
> a wrong hash value for the following hash insert. Fix this by
> recomputing hash before insert.
> 
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>
> Reviewed-by: Paul Mackerras <paulus at samba.org>

Applied to powerpc fixes, thanks.

https://git.kernel.org/powerpc/c/36b35d5d807b7e57aff7d08e

cheers