[PATCH 02/25] powerpc: define an additional vma bit for protection keys.

[Balbir Singh]

On Fri,  8 Sep 2017 15:44:50 -0700
Ram Pai <linuxram at us.ibm.com> wrote:

> powerpc needs an additional vma bit to support 32 keys.
> Till the additional vma bit lands in include/linux/mm.h
> we have to define  it  in powerpc specific header file.
> This is  needed to get pkeys working on power.
> 
> Signed-off-by: Ram Pai <linuxram at us.ibm.com>
> ---

"This" being an arch specific hack for the additional bit?

Balbir