ipv4: 16 slots in initial fib_info hash table
A small host typically needs ~10 fib_info structures, so create initial hash table with 16 slots instead of only one. This removes potential false sharing and reallocs/rehashes (1->2->4->8->16) Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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