Linux Virtualization - Oct 2008 - [PATCH 1/2] virtio_net: Recycle some more rx buffer pages

On Thursday 09 October 2008 06:34:58 Mark McLoughlin
wrote:
> Each time we re-fill the recv queue with buffers, we allocate
> one too many skbs and free it again when adding fails. We should
> recycle the pages allocated in this case.
>
> A previous version of this patch made trim_pages() trim trailing
> unused pages from skbs with some paged data, but this actually
> caused a barely measurable slowdown.
Yes, I noticed a similar effect.  Not quite sure why though.

Applied.

Thanks!
Rusty.