> On 2017/5/25 1:20, Jérôme Glisse wrote: [...]
> > diff --git a/mm/Kconfig b/mm/Kconfig > > index d744cff..f5357ff 100644 > > --- a/mm/Kconfig > > +++ b/mm/Kconfig > > @@ -736,6 +736,19 @@ config ZONE_DEVICE > > > > If FS_DAX is enabled, then say Y. > > > > +config DEVICE_PRIVATE > > + bool "Unaddressable device memory (GPU memory, ...)" > > + depends on X86_64 > > + depends on ZONE_DEVICE > > + depends on MEMORY_HOTPLUG > > + depends on MEMORY_HOTREMOVE > > + depends on SPARSEMEM_VMEMMAP > > + > maybe just depends on ARCH_HAS_HMM is enough. I have updated that as part of HMM CDM patchset.
