From: David S. Miller <davem@davemloft.net>
Date: Tue, 14 Dec 2010 21:01:14 +0000 (-0800)
Subject: net: Abstract default MTU metric calculation behind an accessor.
X-Git-Tag: v2.6.38-rc1~476^2~167
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d33e455337ea2c71d09d7f4367d6ad6dd32b6965;p=pandora-kernel.git

net: Abstract default MTU metric calculation behind an accessor.

Like RTAX_ADVMSS, make the default calculation go through a dst_ops
method rather than caching the computation in the routing cache
entries.

Now dst metrics are pretty much left as-is when new entries are
created, thus optimizing metric sharing becomes a real possibility.

Signed-off-by: David S. Miller <davem@davemloft.net>
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