Michael S. Tsirkin
2020-Jul-16 06:43 UTC
[RFC for Linux v4 1/2] virtio_balloon: Add VIRTIO_BALLOON_F_CONT_PAGES and inflate_cont_vq
On Thu, Jul 16, 2020 at 10:41:51AM +0800, Hui Zhu wrote:> diff --git a/include/uapi/linux/virtio_balloon.h b/include/uapi/linux/virtio_balloon.h > index dc3e656..4d0151a 100644 > --- a/include/uapi/linux/virtio_balloon.h > +++ b/include/uapi/linux/virtio_balloon.h > @@ -37,6 +37,7 @@ > #define VIRTIO_BALLOON_F_FREE_PAGE_HINT 3 /* VQ to report free pages */ > #define VIRTIO_BALLOON_F_PAGE_POISON 4 /* Guest is using page poisoning */ > #define VIRTIO_BALLOON_F_REPORTING 5 /* Page reporting virtqueue */ > +#define VIRTIO_BALLOON_F_CONT_PAGES 6 /* VQ to report continuous pages */ > > /* Size of a PFN in the balloon interface. */ > #define VIRTIO_BALLOON_PFN_SHIFT 12So how does the guest/host interface look like? Could you write up something about it?
Reasonably Related Threads
- [RFC v3 for QEMU] virtio-balloon: Add option cont-pages to set VIRTIO_BALLOON_VQ_INFLATE_CONT
- [virtio-dev] [RFC for Linux v4 0/2] virtio_balloon: Add VIRTIO_BALLOON_F_CONT_PAGES to report continuous pages
- [RFC for Linux v4 0/2] virtio_balloon: Add VIRTIO_BALLOON_F_CONT_PAGES to report continuous pages
- [RFC for Linux] virtio_balloon: Add VIRTIO_BALLOON_F_THP_ORDER to handle THP spilt issue
- [RFC for qemu v4 2/2] virtio_balloon: Add dcvq to deflate continuous pages
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