On Thu, 2017-09-14 at 14:38 +1000, Balbir Singh wrote: > On Fri, 8 Sep 2017 15:44:50 -0700 > Ram Pai <linux...@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 <linux...@us.ibm.com> > > --- > > "This" being an arch specific hack for the additional bit?
Arch VMA bits ? really ? I'd rather we limit ourselves to 16 keys first then push for adding the extra bit to the generic code. Ben.
