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Sneaky indeed!

Posted Feb 3, 2006 5:48 UTC (Fri) by xoddam (subscriber, #2322)
In reply to: protocol validity checks by zblaxell
Parent article: Van Jacobson's network channels

Ok, freely mapped memory doesn't cut it then. I wonder what the
performance impact of changing packet buffers' page permissions would be,
relative to copying (and relative to keeping the TCP implementation in
kernel space)?

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