From 88bae7149a5e980dc5a7488fba2fcb41286fd82e Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@redhat.com>
Date: Fri, 6 Mar 2015 09:54:52 -0800
Subject: [PATCH] fib_trie: Add key vector to root, return parent key_vector in
 resize

This change makes it so that the root of the trie contains a key_vector, by
doing this we make room to essentially collapse the entire trie by at least
one cache line as we can store the information about the tnode or leaf that
is pointed to in the root.

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