Re: [PATCH net-next] tcp: defer sacked assignment
From: Neal Cardwell <ncardwell@google.com>
Date: 2016-08-17 14:53:52
On Wed, Aug 17, 2016 at 10:48 AM, Eric Dumazet [off-list ref] wrote:
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> ---
Acked-by: Neal Cardwell <ncardwell@google.com> neal