Eric Dumazet dd24c00191 net: Use a percpu_counter for orphan_count ...

Instead of using one atomic_t per protocol, use a percpu_counter
for "orphan_count", to reduce cache line contention on
heavy duty network servers. 

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2008-11-25 21:17:14 -08:00

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