RE: [PATCH v11 0/6] Virtio-balloon Enhancement

[Wang, Wei W]

On Friday, June 9, 2017 6:42 PM, Wang, Wei W wrote:
> To: virtio-dev@xxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; qemu-
> devel@xxxxxxxxxx; virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx;
> kvm@xxxxxxxxxxxxxxx; linux-mm@xxxxxxxxx; mst@xxxxxxxxxx;
> david@xxxxxxxxxx; Hansen, Dave <dave.hansen@xxxxxxxxx>;
> cornelia.huck@xxxxxxxxxx; akpm@xxxxxxxxxxxxxxxxxxxx;
> mgorman@xxxxxxxxxxxxxxxxxxx; aarcange@xxxxxxxxxx; amit.shah@xxxxxxxxxx;
> pbonzini@xxxxxxxxxx; Wang, Wei W <wei.w.wang@xxxxxxxxx>;
> liliang.opensource@xxxxxxxxx
> Subject: [PATCH v11 0/6] Virtio-balloon Enhancement
> 
> This patch series enhances the existing virtio-balloon with the following new
> features:
> 1) fast ballooning: transfer ballooned pages between the guest and host in
> chunks, instead of one by one; and
> 2) cmdq: a new virtqueue to send commands between the device and driver.
> Currently, it supports commands to report memory stats (replace the old statq
> mechanism) and report guest unused pages.

v10->v11 changes:
1) virtio_balloon: use vring_desc to describe a chunk;
2) virtio_ring: support to add an indirect desc table to virtqueue;
3)  virtio_balloon: use cmdq to report guest memory statistics.

> 
> Liang Li (1):
>   virtio-balloon: deflate via a page list
> 
> Wei Wang (5):
>   virtio-balloon: coding format cleanup
>   virtio-balloon: VIRTIO_BALLOON_F_PAGE_CHUNKS
>   mm: function to offer a page block on the free list
>   mm: export symbol of next_zone and first_online_pgdat
>   virtio-balloon: VIRTIO_BALLOON_F_CMD_VQ
> 
>  drivers/virtio/virtio_balloon.c     | 781 ++++++++++++++++++++++++++++++++--
> --
>  drivers/virtio/virtio_ring.c        | 120 +++++-
>  include/linux/mm.h                  |   5 +
>  include/linux/virtio.h              |   7 +
>  include/uapi/linux/virtio_balloon.h |  14 +
>  include/uapi/linux/virtio_ring.h    |   3 +
>  mm/mmzone.c                         |   2 +
>  mm/page_alloc.c                     |  91 +++++
>  8 files changed, 950 insertions(+), 73 deletions(-)
> 
> --
> 2.7.4