From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 2 Jun 2010 19:21:31 +0000 (+0000)
Subject: ipv4: RCU conversion of ip_route_input_slow/ip_route_input_mc
X-Git-Tag: v2.6.36-rc1~571^2~666
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=96d362202bfc0e5da78ee59b1645296fbca515f4;p=pandora-kernel.git

ipv4: RCU conversion of ip_route_input_slow/ip_route_input_mc

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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