tree 17695af46692c31ec1f33ffb68bc686064227913
parent c81de6addb913423acef6e692fd70688180ab5dd
author Johannes Berg <johannes@sipsolutions.net> 1184798766 -0700
committer David S. Miller <davem@davemloft.net> 1184798766 -0700

[NETLINK]: allocate group bitmaps dynamically

Allow changing the number of groups for a netlink family
after it has been created, use RCU to protect the listeners
bitmap keeping netlink_has_listeners() lock-free.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Patrick McHardy <kaber@trash.net>
Acked-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>