From: Eric Garver <e...@erig.me> Date: Thu, 5 Jan 2017 20:22:36 -0500
> UDP lib inuse checks will walk the entire hash bucket to check if the > portaddr is in use. In the case of reuseport we can stop searching when > we find a matching reuseport. > > On a 16-core VM a test program that spawns 16 threads that each bind to > 1024 sockets (one per 10ms) takes 1m45s. With this change it takes 11s. > > Also add a cond_resched() when the port is not specified. > > Signed-off-by: Eric Garver <e...@erig.me> Applied to net-next.
