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Date:	Fri, 7 Jun 2013 15:09:02 +0100
From:	"David Laight" <David.Laight@...LAB.COM>
To:	"Eric Dumazet" <eric.dumazet@...il.com>
Cc:	"Mike Galbraith" <bitbucket@...ine.de>,
	"Vitaly V. Bursov" <vitalyb@...enet.dn.ua>,
	<linux-kernel@...r.kernel.org>, "netdev" <netdev@...r.kernel.org>
Subject: RE: Scaling problem with a lot of AF_PACKET sockets on different interfaces

> > Looks like the ptype_base[] should be per 'dev'?
> > Or just put entries where ptype->dev != null_or_dev on a per-interface
> > list and do two searches?
> 
> Yes, but then we would have two searches instead of one in fast path.

Usually it would be empty - so the search would be very quick!

	David

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