| commit | d21dbdfe0afb5195607d207f894fe86d5b322d46 | [log] [tgz] |
|---|---|---|
| author | Eric Dumazet <edumazet@google.com> | Fri Nov 18 17:18:03 2016 -0800 |
| committer | David S. Miller <davem@davemloft.net> | Mon Nov 21 11:26:59 2016 -0500 |
| tree | 2c0e30146d70859144e25cdf665b09750fa6eb99 | |
| parent | ee9d5461c0e88c51f08d0ef7149ce8469a4b4340 [diff] |
udp: avoid one cache line miss in recvmsg() UDP_SKB_CB(skb)->partial_cov is located at offset 66 in skb, requesting a cold cache line being read in cpu cache. We can avoid this cache line miss for UDP sockets, as partial_cov has a meaning only for UDPLite. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>