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

From: Balbir Singh <[email-masked]>
Date: Thu, 14 Sep 2017 14:38:07 +1000

On Fri,  8 Sep 2017 15:44:50 -0700
Ram Pai <[email-masked]> 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 <[email-masked]>
> ---

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

Balbir