Re: [RFC v5 11/38] mm: introduce an additional vma bit for powerpc pkey

2017-07-12 Thread Benjamin Herrenschmidt
On Wed, 2017-07-12 at 15:23 -0700, Ram Pai wrote: > Just copying over makes checkpatch.pl unhappy. It exceeds 80 columns. Which is fine to ignore in a case like that where you remain consistent with the existing code. Ben.

Re: [RFC v5 11/38] mm: introduce an additional vma bit for powerpc pkey

2017-07-12 Thread Ram Pai
On Tue, Jul 11, 2017 at 11:10:46AM -0700, Dave Hansen wrote: > On 07/05/2017 02:21 PM, Ram Pai wrote: > > Currently there are only 4bits in the vma flags to support 16 keys > > on x86. powerpc supports 32 keys, which needs 5bits. This patch > > introduces an addition bit in the vma flags. > > > >

Re: [RFC v5 11/38] mm: introduce an additional vma bit for powerpc pkey

2017-07-11 Thread Dave Hansen
On 07/05/2017 02:21 PM, Ram Pai wrote: > Currently there are only 4bits in the vma flags to support 16 keys > on x86. powerpc supports 32 keys, which needs 5bits. This patch > introduces an addition bit in the vma flags. > > Signed-off-by: Ram Pai > --- > fs/proc/task_mmu.c |6 +- > inc