From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [RFC PATCH 00/17] fib_trie: Reduce time spent in
 fib_table_lookup by 35 to 75%
Date: Mon, 22 Dec 2014 13:53:28 -0500 (EST)
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From: Dave Taht <dave.taht@gmail.com>
Date: Mon, 22 Dec 2014 10:08:09 -0800

> impressive. I think. But I don't quite understand what you mean by a depth of 7?

He means the deepest path in the fib_trie datastructure that is
holding the routing table.