]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 6ea5c3f) | patch
tcp: tsq: avoid one atomic in tcp_wfree()
authorEric Dumazet <edumazet@google.com>
Sat, 3 Dec 2016 19:14:53 +0000 (11:14 -0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 5 Dec 2016 18:32:23 +0000 (13:32 -0500)
commitdffcfb356d95e7c33692afb8705d4013a6f33e41
tree44251778743174bb4e68c70225b19397f6c37c48tree | snapshot
parent6ea5c3f1fe9e41fdb165129924af159ca136704ecommit | diff
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>
net/ipv4/tcp_output.c diff | blob | history
Linux Kernel Source Tree.