On 7/16/19 7:12 AM, David Hildenbrand wrote: > 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". Where is the page allocator integration? The set you linked to has 5 patches, but only 4 were merged. This one is missing: https://lore.kernel.org/patchwork/patch/961038/