[NETLINK]: allocate group bitmaps dynamically

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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>

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Johannes Berg 2007-07-18 15:46:06 -07:00 • committed by David S. Miller

parent c81de6addb

commit b4ff4f0419

2 changed files with 83 additions and 24 deletions

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include/linux/netlink.h

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