netdev - Re: owner-Match in 2.6.20-rc5 (fwd)

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Date:	Thu, 25 Jan 2007 22:07:07 +0100 (MET)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	David Miller <davem@...emloft.net>
cc:	kadlec@...ckhole.kfki.hu, netdev@...r.kernel.org,
	netfilter-devel@...ts.netfilter.org
Subject: Re: owner-Match in 2.6.20-rc5 (fwd)


>> The report below was posted on the netfilter user list. Isn't there any 
>> ill side effect by reverting the change?
>
>Performance regression :-(
>
>This optimization saves a whole handful of heavy atomic operations in
>the packet transmit path of TCP.
>
>As I understand it, the owner-Match is not in the upstream tree, and
>it's the only thing that cares, so I see no reason to cater for it.

For me, it's there.
-rw-r--r-- 1 jengelh users 2247 Jan 25 21:37
/erk/kernel/linux-2.6.20-rc6/net/ipv4/netfilter/ipt_owner.c


	-`J'
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