Re: [PATCH net-next] virtio-net: switch to use build_skb() for small buffer

[David Miller]

From: Jason Wang <jasowang@xxxxxxxxxx>
Date: Tue, 21 Feb 2017 16:46:28 +0800

> This patch switch to use build_skb() for small buffer which can have
> better performance for both TCP and XDP (since we can work at page
> before skb creation). It also remove lots of XDP codes since both
> mergeable and small buffer use page frag during refill now.
> 
>                        Before   | After
> XDP_DROP(xdp1) 64B  :  11.1Mpps | 14.4Mpps
> 
> Tested with xdp1/xdp2/xdp_ip_tx_tunnel and netperf.
> 
> Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>

Applied.