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| author | Eric Dumazet <edumazet@google.com> | 2016-08-17 10:48:36 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-08-19 02:27:27 -0400 |
| commit | dca0aaf8472f15836a68bbed8a0ef9ea39e783aa (patch) | |
| tree | 37be0e35a1db4350a50307ec21c2a24e59a13b7a /tools/perf/scripts/python/stackcollapse.py | |
| parent | 53e43f3905f44366acbb5ff6f295d64996fbf6a3 (diff) | |
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>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions