ipv4: RCU conversion of ip_route_input_slow/ip_route_input_mc

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Avoid two atomic ops on struct in_device refcount per incoming packet,
if slow path taken, (or route cache disabled)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric Dumazet 2010-06-02 19:21:31 +00:00 • committed by David S. Miller

parent b5f7e75547

commit 96d362202b

1 changed files with 17 additions and 18 deletions

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35

net/ipv4/route.c

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