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Re: [RFC for Linux v4 1/2] virtio_balloon: Add VIRTIO_BALLOON_F_CONT_PAG
From: |
Michael S. Tsirkin |
Subject: |
Re: [RFC for Linux v4 1/2] virtio_balloon: Add VIRTIO_BALLOON_F_CONT_PAGES and inflate_cont_vq |
Date: |
Thu, 16 Jul 2020 02:43:25 -0400 |
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 12
So how does the guest/host interface look like?
Could you write up something about it?
- [RFC for Linux v4 0/2] virtio_balloon: Add VIRTIO_BALLOON_F_CONT_PAGES to report continuous pages, Hui Zhu, 2020/07/15
- [RFC for qemu v4 1/2] virtio_balloon: Add cont-pages and icvq, Hui Zhu, 2020/07/15
- [RFC for qemu v4 2/2] virtio_balloon: Add dcvq to deflate continuous pages, Hui Zhu, 2020/07/15
- [RFC for Linux v4 1/2] virtio_balloon: Add VIRTIO_BALLOON_F_CONT_PAGES and inflate_cont_vq, Hui Zhu, 2020/07/15
- Re: [RFC for Linux v4 1/2] virtio_balloon: Add VIRTIO_BALLOON_F_CONT_PAGES and inflate_cont_vq,
Michael S. Tsirkin <=
- [RFC for Linux v4 2/2] virtio_balloon: Add deflate_cont_vq to deflate continuous pages, Hui Zhu, 2020/07/15
- [RFC for qemu v4 0/2] virtio-balloon: Add option cont-pages to set VIRTIO_BALLOON_F_CONT_PAGES, Hui Zhu, 2020/07/15
- Re: [RFC for Linux v4 0/2] virtio_balloon: Add VIRTIO_BALLOON_F_CONT_PAGES to report continuous pages, Michael S. Tsirkin, 2020/07/16