From: Jason Wang <jasowang@xxxxxxxxxx> Date: Thu, 15 Nov 2018 17:43:10 +0800 > Thanks to the batched XDP buffs through msg_control. Instead of > calling put_page() for each page which involves a atomic operation, > let's batch them by record the last page that needs to be freed and > its refcnt count and free them in a batch. > > Testpmd(virtio-user + vhost_net) + XDP_DROP shows 3.8% improvement. > > Before: 4.71Mpps > After : 4.89Mpps > > Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx> Applied.
