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

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Date:   Fri, 9 Jun 2017 11:18:42 +0000
From:   "Wang, Wei W" <wei.w.wang@...el.com>
To:     "virtio-dev@...ts.oasis-open.org" <virtio-dev@...ts.oasis-open.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "qemu-devel@...gnu.org" <qemu-devel@...gnu.org>,
        "virtualization@...ts.linux-foundation.org" 
        <virtualization@...ts.linux-foundation.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "mst@...hat.com" <mst@...hat.com>,
        "david@...hat.com" <david@...hat.com>,
        "Hansen, Dave" <dave.hansen@...el.com>,
        "cornelia.huck@...ibm.com" <cornelia.huck@...ibm.com>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "mgorman@...hsingularity.net" <mgorman@...hsingularity.net>,
        "aarcange@...hat.com" <aarcange@...hat.com>,
        "amit.shah@...hat.com" <amit.shah@...hat.com>,
        "pbonzini@...hat.com" <pbonzini@...hat.com>,
        "liliang.opensource@...il.com" <liliang.opensource@...il.com>
Subject: RE: [PATCH v11 0/6] Virtio-balloon Enhancement

On Friday, June 9, 2017 6:42 PM, Wang, Wei W wrote:
> To: virtio-dev@...ts.oasis-open.org; linux-kernel@...r.kernel.org; qemu-
> devel@...gnu.org; virtualization@...ts.linux-foundation.org;
> kvm@...r.kernel.org; linux-mm@...ck.org; mst@...hat.com;
> david@...hat.com; Hansen, Dave <dave.hansen@...el.com>;
> cornelia.huck@...ibm.com; akpm@...ux-foundation.org;
> mgorman@...hsingularity.net; aarcange@...hat.com; amit.shah@...hat.com;
> pbonzini@...hat.com; Wang, Wei W <wei.w.wang@...el.com>;
> liliang.opensource@...il.com
> 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