From: David Miller <davem@davemloft.net> Date: 2016-08-19 06:27:55
From: Eric Dumazet <redacted>
Date: Wed, 17 Aug 2016 07:48:36 -0700
From: Eric Dumazet <edumazet@google.com>
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>