net: Use ip_route_input_noref() in input path
authorEric Dumazet <eric.dumazet@gmail.com>
Mon, 10 May 2010 11:33:06 +0000 (11:33 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 18 May 2010 00:18:51 +0000 (17:18 -0700)
Use ip_route_input_noref() in ip fast path, to avoid two atomic ops per
incoming packet.

Note: loopback is excluded from this optimization in ip_rcv_finish()

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

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