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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] rtnetlink: Fix problem with buffer allocation
Date: Tue, 21 Feb 2012 16:50:13 -0500 (EST)
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 21 Feb 2012 22:48:16 +0100

> Thats going to hurt some setups (thousand of devices on a server).

This logic only triggers when the VF attribute is explicitly asked
for.

> Also why are you using _rcu() variant here, we hold rtnl I presume ?

Because that's what I told him to use probably :-)  Indeed, I think
we can use the non-RCU variant in this spot.