On Mon, 2016-11-21 at 14:01 -0800, Eric Dumazet wrote: > Tested-by: Paolo Abeni <pab...@redhat.com> > > Thanks Paolo > > Note that udp6_recvmsg() hits the 3rd cache line of skb to access > skb->protocol : > > is_udp4 = (skb->protocol == htons(ETH_P_IP)); > > We might some trick to avoid this cache line miss.
Argh, ignore this. net-next kernel has this field at offset 0xc0, so all is good (since this 4th cache line contains other needed fields)
