[IPV4]: fib_trie RCU refinements

* This patch is from Paul McKenney's RCU reviewing. 

Signed-off-by: Robert Olsson <robert.olsson@its.uu.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Robert Olsson 2005-09-19 15:31:18 -07:00 committed by David S. Miller
commit 772cb712b1