net: ip_rt_send_redirect() optimization

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While doing some forwarding benchmarks, I noticed
ip_rt_send_redirect() is rather expensive, even if send_redirects is
false for the device.

Fix is to avoid two atomic ops, we dont really need to take a
reference on in_dev

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

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Eric Dumazet 2009-08-28 23:52:01 -07:00 • committed by David S. Miller

parent df19a62677

commit 30038fc61a

1 changed files with 11 additions and 9 deletions

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net/ipv4/route.c

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