ipv4: 16 slots in initial fib_info hash table
authorEric Dumazet <edumazet@google.com>
Sun, 21 Oct 2012 20:12:09 +0000 (20:12 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 22 Oct 2012 18:29:06 +0000 (14:29 -0400)
commitd94ce9b283736a876b2e6dec665c68e5e8b5d55e
tree77762849ae55afdd9ba6a9fbbf0855a68f7c6372
parent0e71c55c9e3eb32de08e17152ec739582afc9400
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>
net/ipv4/fib_semantics.c