Re: [PATCH net-next] virtio-net: switch to use build_skb() for small buffer
From: David Miller
Date: Tue Feb 21 2017 - 12:26:50 EST
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>