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Date:	Sun, 24 Jun 2007 19:37:51 -0700 (PDT)
From:	David Miller <>
Subject: Re: [RFC SKBUFF]: Keep track of writable header len of headerless

From: Patrick McHardy <>
Date: Sun, 24 Jun 2007 14:53:36 +0200

> - sendmsg eth0, no NAT:		sys     0m2.508s
> - sendmsg eth0, NAT:		sys     0m2.539s
> - sendmsg eth0, NAT + patch:	sys     0m2.445s	(no change)

This is probably because we're touching all the data anyways
and if the resident set size is small enough (as a gigabit
or 100MB ethernet TCP stream window would be) then it all fits
mostly in the L2 caches of the cpu.

Oh yeah and I like your patch Patrick :-)
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