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| author | Eric Dumazet <edumazet@google.com> | 2016-12-03 11:14:54 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-12-05 13:32:23 -0500 |
| commit | 75eefc6c59fd2c5f1ab95a3a113c217237d12a31 (patch) | |
| tree | f5559676f497c4e30b71f58e9df43a944da88641 /tools/perf/scripts/python | |
| parent | tcp: tsq: avoid one atomic in tcp_wfree() (diff) | |
| download | linux-75eefc6c59fd2c5f1ab95a3a113c217237d12a31.tar.gz linux-75eefc6c59fd2c5f1ab95a3a113c217237d12a31.zip | |
tcp: tsq: add a shortcut in tcp_small_queue_check()
Always allow the two first skbs in write queue to be sent,
regardless of sk_wmem_alloc/sk_pacing_rate values.
This helps a lot in situations where TX completions are delayed either
because of driver latencies or softirq latencies.
Test is done with no cache line misses.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions