[RFC PATCH 1/3] powerpc/mm: update pmdp_invalidate to return old pmd value

[Aneesh Kumar K.V]

On 07/27/2017 06:24 PM, Michal Hocko wrote:
> EMISSING_CHANGELOG
> 
> besides that no user actually uses the return value. Please fold this
> into the patch which uses the new functionality.


The patch series was suppose to help Kirill to make progress with the 
his series at


https://lkml.kernel.org/r/20170615145224.66200-1-kirill.shutemov@linux.intel.com

It is essentially implementing the pmdp_invalidate update for ppc64. His 
series does it for x86-64.

-aneesh