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SubjectRe: [PATCH v1 6/6] virtio-balloon: Add support for aerating memory via hinting
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

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