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2020 Jul 16
0
[RFC for qemu v4 2/2] virtio_balloon: Add dcvq to deflate continuous pages
On Thu, Jul 16, 2020 at 10:41:55AM +0800, Hui Zhu wrote:
> This commit adds a vq dcvq to deflate continuous pages.
> When VIRTIO_BALLOON_F_CONT_PAGES is set, try to get continuous pages
> from icvq and use madvise MADV_WILLNEED with the pages.
>
> Signed-off-by: Hui Zhu <teawaterz at linux.alibaba.com>
This is arguably something to benchmark. Does guest benefit
from MADV_WILLNEED or loose performance?
> ---
> hw/virtio/virtio-balloon.c | 14 +++++++++-----
> i...