[IPV4] fib_trie: compute size when needed

Compute the number of prefixes when needed, rather than doing bookeeping.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2008-01-22 21:54:05 -08:00 • committed by David S. Miller
commit 936722922f