On Thu, Jan 12, 2017 at 11:30:28AM -0500, Jérôme Glisse wrote: > When hotpluging memory we want more informations on the type of memory and > its properties. Replace the device boolean flag by an int and define a set > of flags. > > New property for device memory is an opt-in flag to allow page migration > from and to a ZONE_DEVICE. Existing user of ZONE_DEVICE are not expecting > page migration to work for their pages. New changes to page migration i > changing that and we now need a flag to explicitly opt-in page migration.
Given that ZONE_DEVICE is dependent on X86_64, do we need to touch all architectures? I guess we could selectively enable things as we enable ZONE_DEVICE for other architectures? Balbir Singh.
