On Tue, Jul 16, 2019 at 04:17:13PM +0200, David Hildenbrand wrote: > On 16.07.19 16:12, 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". > > > > (https://lwn.net/Articles/759413/) Yes - VIRTIO_BALLOON_F_FREE_PAGE_HINT. > -- > > Thanks, > > David / dhildenb
