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(parent: f0c0559) | patch
net: ip_rt_send_redirect() optimization
authorEric Dumazet <eric.dumazet@gmail.com>
Sat, 29 Aug 2009 06:52:01 +0000 (23:52 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sat, 29 Aug 2009 06:52:01 +0000 (23:52 -0700)
commitb0db6b2ee04f5d07057275b43a82e25641b6ee4d
treec9266e5d3c54c7a9a4b17bd68b28b24d629249b2tree | snapshot
parentf0c0559ab50864041c79312dfd68d266eb652380commit | diff
net: ip_rt_send_redirect() optimization

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>
net/ipv4/route.c diff | blob | history
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