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

[Dave Hansen]

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()?