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(parent: 385edf3) | patch
tcp/dccp: bypass empty buckets in inet_twsk_purge()
authorEric Dumazet <edumazet@google.com>
Wed, 27 Mar 2024 19:12:06 +0000 (19:12 +0000)
committerJakub Kicinski <kuba@kernel.org>
Fri, 29 Mar 2024 15:04:07 +0000 (08:04 -0700)
commit50e2907ef8bb52cf80ecde9eec5c4dac07177146
tree6d01a47aca4792e68c88e1ac139fc3d65ee732e5tree | snapshot
parent385edf325efaad802e1bc8eeb710e02eb6461d73commit | diff
tcp/dccp: bypass empty buckets in inet_twsk_purge()

TCP ehash table is often sparsely populated.

inet_twsk_purge() spends too much time calling cond_resched().

This patch can reduce time spent in inet_twsk_purge() by 20x.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240327191206.508114-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/ipv4/inet_timewait_sock.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)