netns: add namespace parameter to rt_cache_flush

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 394db9c..d16ae46 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1271,7 +1271,7 @@
 
 			fib_release_info(fi_drop);
 			if (state & FA_S_ACCESSED)
-				rt_cache_flush(-1);
+				rt_cache_flush(cfg->fc_nlinfo.nl_net, -1);
 			rtmsg_fib(RTM_NEWROUTE, htonl(key), new_fa, plen,
 				tb->tb_id, &cfg->fc_nlinfo, NLM_F_REPLACE);
 
@@ -1316,7 +1316,7 @@
 	list_add_tail_rcu(&new_fa->fa_list,
 			  (fa ? &fa->fa_list : fa_head));
 
-	rt_cache_flush(-1);
+	rt_cache_flush(cfg->fc_nlinfo.nl_net, -1);
 	rtmsg_fib(RTM_NEWROUTE, htonl(key), new_fa, plen, tb->tb_id,
 		  &cfg->fc_nlinfo, 0);
 succeeded:
@@ -1664,7 +1664,7 @@
 		trie_leaf_remove(t, l);
 
 	if (fa->fa_state & FA_S_ACCESSED)
-		rt_cache_flush(-1);
+		rt_cache_flush(cfg->fc_nlinfo.nl_net, -1);
 
 	fib_release_info(fa->fa_info);
 	alias_free_mem_rcu(fa);