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From: "David S. Miller" <davem@redhat.com>
To: aferber@techfak.uni-bielefeld.de
Cc: torvalds@transmeta.com, Dieter.Nuetzel@hamburg.de,
	linux-kernel@vger.kernel.org
Subject: Re: 7.52 second kernel compile
Date: Mon, 18 Mar 2002 17:38:03 -0800 (PST)	[thread overview]
Message-ID: <20020318.173803.78092815.davem@redhat.com> (raw)
In-Reply-To: <20020319023755.A28383@devcon.net>

   From: Andreas Ferber <aferber@techfak.uni-bielefeld.de>
   Date: Tue, 19 Mar 2002 02:37:55 +0100
   
   Erm, you forgot COW semantics. The accesses to buffer are actually all
   going to the same physical address. As CPU caches work on physical
   addresses AFAIK (everything else would be just stupid ;-), there are
   no cache misses (disregarding a few produced by IRQs/scheduling etc.).

ROFL, ignore that part of my postings then :-)

  reply	other threads:[~2002-03-19  1:41 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-03-18 22:12 7.52 second kernel compile Dieter Nützel
2002-03-18 22:46 ` Linus Torvalds
2002-03-18 23:53   ` Davide Libenzi
2002-03-19  0:20   ` David S. Miller
2002-03-19  0:47     ` Davide Libenzi
2002-03-19  1:37     ` Andreas Ferber
2002-03-19  1:38       ` David S. Miller [this message]
2002-03-19  2:08     ` Linus Torvalds
2002-03-19  5:24       ` Erik Andersen
  -- strict thread matches above, loose matches on Subject: below --
2002-03-13  8:52 10.31 " Anton Blanchard
2002-03-16  6:15 ` 7.52 " Anton Blanchard
2002-03-16  8:05   ` Linus Torvalds
2002-03-16 11:54     ` yodaiken
2002-03-16 11:04   ` Paul Mackerras
2002-03-16 18:32     ` Linus Torvalds
2002-03-17  2:00     ` Paul Mackerras
2002-03-17  2:40       ` Linus Torvalds
2002-03-17  2:50         ` M. Edward Borasky
2002-03-18 19:42       ` Cort Dougan
2002-03-18 20:04         ` Linus Torvalds
2002-03-18 20:23           ` Linus Torvalds
2002-03-18 21:50             ` Rene Herman
2002-03-18 22:36             ` Cort Dougan
2002-03-18 22:47               ` Linus Torvalds
2002-03-18 22:56                 ` Cort Dougan
2002-03-18 23:52                 ` Paul Mackerras
2002-03-19  0:57                   ` Dave Jones
2002-03-19  3:35                     ` Jeff Garzik
2002-03-19  0:22                 ` David S. Miller
2002-03-19  0:27                   ` Cort Dougan
2002-03-19  0:27                     ` David S. Miller
2002-03-19  0:36                       ` Cort Dougan
2002-03-19  0:38                         ` David S. Miller
2002-03-19  1:28                           ` Davide Libenzi
2002-03-19  2:42             ` Paul Mackerras
2002-03-27  2:53             ` Richard Henderson
2002-04-02  4:32               ` Linus Torvalds
2002-04-02 10:50             ` Pablo Alcaraz
2002-03-18 21:34           ` Cort Dougan
2002-03-18 22:00             ` Linus Torvalds
2002-03-18 19:37     ` Cort Dougan

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