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

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 >

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

2017-05-23 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

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

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

2017-05-22 Thread Oliver O'Halloran
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: