From: Jay Vosburgh <redacted>
Date: Mon, 03 Nov 2008 18:13:09 -0800

	The only user of the net_device->last_rx field is bonding.  This
patch adds a conditional update of last_rx to the bonding special logic
in skb_bond_should_drop, causing last_rx to only be updated when the ARP
monitor is running.

	This frees network device drivers from the necessity of updating
last_rx, which can have cache line thrash issues.

Signed-off-by: Jay Vosburgh <redacted>

Applied, thanks a lot Jay.