On Wed, 2017-04-12 at 03:42 +1000, Oliver O'Halloran wrote: > Adds support to powerpc for the altmap feature of ZONE_DEVICE memory. An > altmap is a driver provided region that is used to provide the backing > storage for the struct pages of ZONE_DEVICE memory. In situations where > large amount of ZONE_DEVICE memory is being added to the system the > altmap reduces pressure on main system memory by allowing the mm/ > metadata to be stored on the device itself rather in main memory. > > Signed-off-by: Oliver O'Halloran <ooh...@gmail.com> > ---
Reviewed-by: Balbir Singh <bsinghar...@gmail.com>