[PATCH 1/6] mm: introduce an additional vma bit for powerpc pkey

Balbir Singh bsingharora at gmail.com
Fri Sep 22 16:12:43 AEST 2017


On Fri, 15 Sep 2017 18:21:05 -0700
Ram Pai <linuxram at us.ibm.com> wrote:

> Currently only 4bits are allocated in the vma flags to hold 16
> keys. This is sufficient for x86. PowerPC  supports  32  keys,
> which needs 5bits. This patch allocates an  additional bit.
> 
> Signed-off-by: Ram Pai <linuxram at us.ibm.com>
> ---

Acked-by: Balbir Singh <bsingharora at gmail.com>


More information about the Linuxppc-dev mailing list