Re: [PATCH 3/3] kvm: add a function to check if page is from NVDIMM pmem.

[Paolo Bonzini]

On 04/07/2018 16:50, Dan Williams wrote:
>> +       return is_zone_device_page(page) &&
>> +               ((page->pgmap->type == MEMORY_DEVICE_FS_DAX) ||
>> +                (page->pgmap->type == MEMORY_DEVICE_DEV_DAX));
> Jerome, might there be any use case to pass MEMORY_DEVICE_PUBLIC
> memory to a guest vm?
> 

An even better reason to place this in mm.h. :)  There should be an
function to tell you if a reserved page has accessed/dirty bits etc.,
that's all that KVM needs to know.

Paolo