tree 8b75745c913c33eba2707c3dc5fb0e312bfe3387
parent 1580ab63fc9a03593072cc5656167a75c4f1d173
author Eric Dumazet <edumazet@google.com> 1455236930 -0800
committer David S. Miller <davem@davemloft.net> 1455272912 -0500

tcp/dccp: better use of ephemeral ports in bind()

Implement strategy used in __inet_hash_connect() in opposite way :

Try to find a candidate using odd ports, then fallback to even ports.

We no longer disable BH for whole traversal, but one bucket at a time.
We also use cond_resched() to yield cpu to other tasks if needed.

I removed one indentation level and tried to mirror the loop we have
in __inet_hash_connect() and variable names to ease code maintenance.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>