Stephen Hemminger f81074f861 tcp_probe: avoid modulus operation and wrap fix ...

By rounding up the buffer size to power of 2, several expensive
modulus operations can be avoided.  This patch also solves a bug where
the gap need when ring gets full was not being accounted for.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2010-01-25 15:47:50 -08:00

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