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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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