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authorEric Dumazet <edumazet@google.com>2016-08-17 14:48:36 (GMT)
committerDavid S. Miller <davem@davemloft.net>2016-08-19 06:27:27 (GMT)
commitdca0aaf8472f15836a68bbed8a0ef9ea39e783aa (patch)
tree37be0e35a1db4350a50307ec21c2a24e59a13b7a /fs/cifs/cifspdu.h
parent53e43f3905f44366acbb5ff6f295d64996fbf6a3 (diff)
downloadlinux-dca0aaf8472f15836a68bbed8a0ef9ea39e783aa.tar.xz
tcp: defer sacked assignment
While chasing tcp_xmit_retransmit_queue() kasan issue, I found that we could avoid reading sacked field of skb that we wont send, possibly removing one cache line miss. Very minor change in slow path, but why not ? ;) Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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