On Sun, Feb 21, 2016 at 08:40:59PM +0200, Michael S. Tsirkin wrote:
> For small packets data copy was observed to
> take up about 15% CPU time. Switch to build_skb
> and avoid the copy when using mergeable rx buffers.
>
> As a bonus, medium-size skbs that fit in a page will be
> completely linear.
For small packets data copy was observed to
take up about 15% CPU time. Switch to build_skb
and avoid the copy when using mergeable rx buffers.
As a bonus, medium-size skbs that fit in a page will be
completely linear.
Of course, we now need to lower the lower bound on packet size,
to make sure a