From 30cfe7c9c88d73440560d7e381bab12f5463a6cd Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@redhat.com>
Date: Thu, 22 Jan 2015 15:51:33 -0800
Subject: [PATCH] fib_trie: Use empty_children instead of counting empty nodes
 in stats collection

It doesn't make much sense to count the pointers ourselves when
empty_children already has a count for the number of NULL pointers stored
in the tnode.  As such save ourselves the cycles and just use
empty_children.

Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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