commit 5caea4ea7088e80ac5410d04660346094608b909
author Eric Dumazet <dada1@cosmosbay.com> Thu Nov 20 00:40:07 2008 -0800
committer David S. Miller <davem@davemloft.net> Thu Nov 20 00:40:07 2008 -0800
tree fad95133683c002d24ff5de7fb756dad806b41ed
parent d8b83c57a7e497cba9b5cb156e63176323035785

net: listening_hash get a spinlock per bucket

This patch prepares RCU migration of listening_hash table for
TCP/DCCP protocols.

listening_hash table being small (32 slots per protocol), we add
a spinlock for each slot, instead of a single rwlock for whole table.

This should reduce hold time of readers, and writers concurrency.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>