On 16.07.19 16:41, Dave Hansen wrote: > 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/ > I don't recall which version was actually merged (there were too many :) ). I think it was v37: https://lore.kernel.org/patchwork/cover/977804/ And I remember that there was a comment from Linus that made the patch you mentioned getting dropped. -- Thanks, David / dhildenb