Re: [PATCH 4/6] powerpc/mm: Add devmap support for ppc64

2017-05-23 Thread Oliver O'Halloran
On Tue, May 23, 2017 at 8:40 PM, Balbir Singh wrote: > On Tue, May 23, 2017 at 2:05 PM, Oliver O'Halloran wrote: >> Add support for the devmap bit on PTEs and PMDs for PPC64 Book3S. This >> is used to differentiate device backed memory from transparent huge >> pages since they are handled in mor

Re: [PATCH 4/6] powerpc/mm: Add devmap support for ppc64

2017-05-23 Thread Balbir Singh
On Tue, May 23, 2017 at 2:05 PM, Oliver O'Halloran wrote: > Add support for the devmap bit on PTEs and PMDs for PPC64 Book3S. This > is used to differentiate device backed memory from transparent huge > pages since they are handled in more or less the same manner by the core > mm code. > > Cc: An

Re: [PATCH 4/6] powerpc/mm: Add devmap support for ppc64

2017-05-22 Thread Oliver O'Halloran
On Tue, May 23, 2017 at 2:23 PM, Aneesh Kumar K.V wrote: > Oliver O'Halloran writes: > >> Add support for the devmap bit on PTEs and PMDs for PPC64 Book3S. This >> is used to differentiate device backed memory from transparent huge >> pages since they are handled in more or less the same manner

Re: [PATCH 4/6] powerpc/mm: Add devmap support for ppc64

2017-05-22 Thread Aneesh Kumar K.V
Oliver O'Halloran writes: > Add support for the devmap bit on PTEs and PMDs for PPC64 Book3S. This > is used to differentiate device backed memory from transparent huge > pages since they are handled in more or less the same manner by the core > mm code. > > Cc: Aneesh Kumar K.V > Signed-off-by