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| author | Eric Dumazet <edumazet@google.com> | 2016-12-03 11:14:53 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-12-05 13:32:23 -0500 |
| commit | a9b204d1564702b704ad6fe74f10a102c7b87ba3 (patch) | |
| tree | 44251778743174bb4e68c70225b19397f6c37c48 /tools/perf/scripts/python | |
| parent | tcp: tsq: add shortcut in tcp_tasklet_func() (diff) | |
| download | linux-a9b204d1564702b704ad6fe74f10a102c7b87ba3.tar.gz linux-a9b204d1564702b704ad6fe74f10a102c7b87ba3.zip | |
tcp: tsq: avoid one atomic in tcp_wfree()
Under high load, tcp_wfree() has an atomic operation trying
to schedule a tasklet over and over.
We can schedule it only if our per cpu list was empty.
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