On 16.07.19 16:00, Dave Hansen wrote: > On 7/16/19 2:55 AM, Michael S. Tsirkin wrote: >> The approach here is very close to what on-demand hinting that is >> already upstream does. > > Are you referring to the s390 (and powerpc) stuff that is hidden behind > arch_free_page()? > I assume Michael meant "free page reporting". -- Thanks, David / dhildenb