From 2373ce1ca04dd46bf2b8b0f9a799eb2a90da92fb Mon Sep 17 00:00:00 2001
From: Robert Olsson <Robert.Olsson@data.slu.se>
Date: Thu, 25 Aug 2005 13:01:29 -0700
Subject: [PATCH] [IPV4]: Convert FIB Trie to RCU.

* Removes RW-lock
* Proteced read functions uses
  rcu_dereference proteced with rcu_read_lock()
* writing of procted pointer w. rcu_assigen_pointer
* Insert/Replace atomic list_replace_rcu
* A BUG_ON condition removed.in trie_rebalance

With help from Paul E. McKenney.

Signed-off-by: Robert Olsson <Robert.Olsson@data.slu.se>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading git-format-patch failed