From: Andi Kleen <ak@muc.de>
To: Christoph Lameter <clameter@sgi.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Prezeroing V3 [2/4]: Extension of clear_page to take an order parameter
Date: Thu, 06 Jan 2005 14:52:36 +0100 [thread overview]
Message-ID: <m1652awtp7.fsf@muc.de> (raw)
In-Reply-To: <Pine.LNX.4.58.0501051524020.9911@schroedinger.engr.sgi.com> (Christoph Lameter's message of "Wed, 5 Jan 2005 15:25:20 -0800 (PST)")
Christoph Lameter <clameter@sgi.com> writes:
> Here is an updated version that is independent of the first patch and
> contains all the necessary modifications to make clear_page take a second
> parameter.
I still think the clear_page order addition is completely pointless,
because for > order 0 you probably want a cache bypassing store
in a separate function.
Removing it would also make the patch much less intrusive.
-Andi
next prev parent reply other threads:[~2005-01-06 13:53 UTC|newest]
Thread overview: 266+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-15 2:34 [very very drafty] prezeroing to increase the page fault rate Christoph Lameter
2004-12-15 21:21 ` Robin Holt
2004-12-15 21:58 ` Christoph Lameter
2004-12-15 22:00 ` Christoph Lameter
2004-12-16 0:25 ` Nick Piggin
2004-12-16 0:41 ` Christoph Lameter
2004-12-16 0:41 ` Linus Torvalds
2004-12-16 0:46 ` Christoph Lameter
2004-12-16 0:50 ` Nick Piggin
2004-12-16 0:54 ` Christoph Lameter
2004-12-16 1:18 ` Linus Torvalds
2004-12-16 1:44 ` Christoph Lameter
2004-12-16 1:55 ` Linus Torvalds
2004-12-16 2:17 ` Nick Piggin
2004-12-16 7:59 ` Nick Piggin
2004-12-16 16:27 ` Christoph Lameter
2004-12-16 18:38 ` Luck, Tony
2004-12-16 22:37 ` Nick Piggin
2004-12-21 19:55 ` Increase page fault rate by prezeroing V1 [0/3]: Overview Christoph Lameter
2004-12-21 19:55 ` Christoph Lameter
2004-12-21 19:55 ` Christoph Lameter
2004-12-21 19:56 ` Increase page fault rate by prezeroing V1 [1/3]: Introduce __GFP_ZERO Christoph Lameter
2004-12-21 19:56 ` Christoph Lameter
2004-12-21 19:56 ` Christoph Lameter
2004-12-21 19:56 ` Christoph Lameter
2004-12-21 19:57 ` Increase page fault rate by prezeroing V1 [2/3]: zeroing and scrubd Christoph Lameter
2004-12-21 19:57 ` Christoph Lameter
2004-12-21 19:57 ` Christoph Lameter
2004-12-21 19:57 ` Christoph Lameter
2005-01-01 2:22 ` Increase page fault rate by prezeroing V1 [2/3]: zeroing and Nick Piggin
2005-01-01 2:22 ` Increase page fault rate by prezeroing V1 [2/3]: zeroing and scrubd Nick Piggin
2005-01-01 2:55 ` pmarques
2005-01-01 2:55 ` pmarques
2004-12-21 19:57 ` Increase page fault rate by prezeroing V1 [3/3]: Altix SN2 BTE Christoph Lameter
2004-12-21 19:57 ` Increase page fault rate by prezeroing V1 [3/3]: Altix SN2 BTE Zeroing Christoph Lameter
2004-12-21 19:57 ` Christoph Lameter
2004-12-22 12:46 ` Robin Holt
2004-12-22 12:46 ` Robin Holt
2004-12-22 19:56 ` Increase page fault rate by prezeroing V1 [3/3]: Altix SN2 BTE Christoph Lameter
2004-12-22 19:56 ` Increase page fault rate by prezeroing V1 [3/3]: Altix SN2 BTE Zeroing Christoph Lameter
2004-12-21 19:57 ` Christoph Lameter
2004-12-23 19:29 ` Prezeroing V2 [0/3]: Why and When it works Christoph Lameter
2004-12-23 19:29 ` Christoph Lameter
2004-12-23 19:29 ` Christoph Lameter
2004-12-23 19:33 ` Prezeroing V2 [1/4]: __GFP_ZERO / clear_page() removal Christoph Lameter
2004-12-23 19:33 ` Christoph Lameter
2004-12-23 19:33 ` Christoph Lameter
2004-12-23 19:33 ` Prezeroing V2 [2/4]: add second parameter to clear_page() for all Christoph Lameter
2004-12-23 19:33 ` Prezeroing V2 [2/4]: add second parameter to clear_page() for all arches Christoph Lameter
2004-12-23 19:33 ` Christoph Lameter
2004-12-24 8:33 ` Pavel Machek
2004-12-24 8:33 ` Pavel Machek
2004-12-24 8:33 ` Pavel Machek
2004-12-24 16:18 ` Prezeroing V2 [2/4]: add second parameter to clear_page() for Christoph Lameter
2004-12-24 16:18 ` Prezeroing V2 [2/4]: add second parameter to clear_page() for all arches Christoph Lameter
2004-12-24 16:18 ` Christoph Lameter
2004-12-24 16:27 ` Pavel Machek
2004-12-24 16:27 ` Pavel Machek
2004-12-24 16:27 ` Pavel Machek
2004-12-24 17:02 ` Prezeroing V2 [2/4]: add second parameter to clear_page() for David S. Miller
2004-12-24 17:02 ` Prezeroing V2 [2/4]: add second parameter to clear_page() for all arches David S. Miller
2004-12-24 17:02 ` David S. Miller
2004-12-24 17:05 ` Prezeroing V2 [2/4]: add second parameter to clear_page() for David S. Miller
2004-12-24 17:05 ` Prezeroing V2 [2/4]: add second parameter to clear_page() for all arches David S. Miller
2004-12-24 17:05 ` David S. Miller
2004-12-27 22:48 ` Prezeroing V2 [2/4]: add second parameter to clear_page() for David S. Miller
2004-12-27 22:48 ` Prezeroing V2 [2/4]: add second parameter to clear_page() for all arches David S. Miller
2004-12-27 22:48 ` David S. Miller
2005-01-03 17:52 ` Prezeroing V2 [2/4]: add second parameter to clear_page() for Christoph Lameter
2005-01-03 17:52 ` Prezeroing V2 [2/4]: add second parameter to clear_page() for all arches Christoph Lameter
2005-01-03 17:52 ` Christoph Lameter
2005-01-01 10:24 ` Prezeroing V2 [2/4]: add second parameter to clear_page() for Geert Uytterhoeven
2005-01-01 10:24 ` Prezeroing V2 [2/4]: add second parameter to clear_page() for all arches Geert Uytterhoeven
2005-01-01 10:24 ` Geert Uytterhoeven
2005-01-04 23:12 ` Prezeroing V3 [0/4]: Discussion and i386 performance tests Christoph Lameter
2005-01-04 23:12 ` Christoph Lameter
2005-01-04 23:12 ` Christoph Lameter
2005-01-04 23:13 ` Prezeroing V3 [1/4]: Allow request for zeroed memory Christoph Lameter
2005-01-04 23:13 ` Christoph Lameter
2005-01-04 23:13 ` Christoph Lameter
2005-01-04 23:45 ` Dave Hansen
2005-01-04 23:45 ` Dave Hansen
2005-01-04 23:45 ` Dave Hansen
2005-01-05 1:16 ` Christoph Lameter
2005-01-05 1:16 ` Christoph Lameter
2005-01-05 1:16 ` Christoph Lameter
2005-01-05 1:26 ` Linus Torvalds
2005-01-05 1:26 ` Linus Torvalds
2005-01-05 1:26 ` Linus Torvalds
2005-01-05 23:11 ` Christoph Lameter
2005-01-05 23:11 ` Christoph Lameter
2005-01-05 23:11 ` Christoph Lameter
2005-01-05 0:34 ` Linus Torvalds
2005-01-05 0:34 ` Linus Torvalds
2005-01-05 0:34 ` Linus Torvalds
2005-01-05 0:47 ` Andrew Morton
2005-01-05 0:47 ` Andrew Morton
2005-01-05 0:47 ` Andrew Morton
2005-01-05 1:15 ` Christoph Lameter
2005-01-05 1:15 ` Christoph Lameter
2005-01-05 1:15 ` Christoph Lameter
2005-01-08 21:12 ` Hugh Dickins
2005-01-08 21:12 ` Hugh Dickins
2005-01-08 21:12 ` Hugh Dickins
2005-01-08 21:56 ` David S. Miller
2005-01-08 21:56 ` David S. Miller
2005-01-08 21:56 ` David S. Miller
2005-01-21 20:09 ` alloc_zeroed_user_highpage to fix the clear_user_highpage issue Christoph Lameter
2005-01-21 20:09 ` Christoph Lameter
2005-01-21 20:09 ` Christoph Lameter
2005-02-09 9:58 ` [Patch] Fix oops in alloc_zeroed_user_highpage() when page is NULL Michael Ellerman
2005-02-09 9:58 ` Michael Ellerman
2005-02-09 9:58 ` Michael Ellerman
2005-02-10 0:38 ` Christoph Lameter
2005-01-21 20:12 ` Extend clear_page by an order parameter Christoph Lameter
2005-01-21 20:12 ` Christoph Lameter
2005-01-21 20:12 ` Christoph Lameter
2005-01-21 22:29 ` Paul Mackerras
2005-01-21 22:29 ` Paul Mackerras
2005-01-21 22:29 ` Paul Mackerras
2005-01-21 23:48 ` Christoph Lameter
2005-01-21 23:48 ` Christoph Lameter
2005-01-21 23:48 ` Christoph Lameter
2005-01-22 0:35 ` Paul Mackerras
2005-01-22 0:35 ` Paul Mackerras
2005-01-22 0:35 ` Paul Mackerras
2005-01-22 0:43 ` Andrew Morton
2005-01-22 0:43 ` Andrew Morton
2005-01-22 0:43 ` Andrew Morton
2005-01-22 1:08 ` Paul Mackerras
2005-01-22 1:08 ` Paul Mackerras
2005-01-22 1:08 ` Paul Mackerras
2005-01-22 1:20 ` Roman Zippel
2005-01-22 1:20 ` Roman Zippel
2005-01-22 1:20 ` Roman Zippel
2005-01-22 1:25 ` Paul Mackerras
2005-01-22 1:25 ` Paul Mackerras
2005-01-22 1:25 ` Paul Mackerras
2005-01-22 1:54 ` Christoph Lameter
2005-01-22 1:54 ` Christoph Lameter
2005-01-22 1:54 ` Christoph Lameter
2005-01-22 2:53 ` Paul Mackerras
2005-01-22 2:53 ` Paul Mackerras
2005-01-22 2:53 ` Paul Mackerras
2005-01-23 7:45 ` Andrew Morton
2005-01-23 7:45 ` Andrew Morton
2005-01-23 7:45 ` Andrew Morton
2005-01-24 16:37 ` Christoph Lameter
2005-01-24 16:37 ` Christoph Lameter
2005-01-24 16:37 ` Christoph Lameter
2005-01-24 20:23 ` David S. Miller
2005-01-24 20:23 ` David S. Miller
2005-01-24 20:23 ` David S. Miller
2005-01-24 20:33 ` Christoph Lameter
2005-01-24 20:33 ` Christoph Lameter
2005-01-24 20:33 ` Christoph Lameter
2005-01-21 20:15 ` A scrub daemon (prezeroing) Christoph Lameter
2005-01-21 20:15 ` Christoph Lameter
2005-01-10 17:16 ` Prezeroing V3 [1/4]: Allow request for zeroed memory Christoph Lameter
2005-01-10 17:16 ` Christoph Lameter
2005-01-10 17:16 ` Christoph Lameter
2005-01-10 18:13 ` Linus Torvalds
2005-01-10 18:13 ` Linus Torvalds
2005-01-10 18:13 ` Linus Torvalds
2005-01-10 20:17 ` Christoph Lameter
2005-01-10 20:17 ` Christoph Lameter
2005-01-10 20:17 ` Christoph Lameter
2005-01-10 23:53 ` Prezeroing V4 [0/4]: Overview Christoph Lameter
2005-01-10 23:53 ` Christoph Lameter
2005-01-10 23:53 ` Christoph Lameter
2005-01-10 23:54 ` Prezeroing V4 [1/4]: Arch specific page zeroing during page fault Christoph Lameter
2005-01-10 23:54 ` Christoph Lameter
2005-01-10 23:54 ` Christoph Lameter
2005-01-11 0:41 ` Chris Wright
2005-01-11 0:41 ` Chris Wright
2005-01-11 0:41 ` Chris Wright
2005-01-11 0:46 ` Prezeroing V4 [1/4]: Arch specific page zeroing during page Christoph Lameter
2005-01-11 0:46 ` Prezeroing V4 [1/4]: Arch specific page zeroing during page fault Christoph Lameter
2005-01-11 0:46 ` Christoph Lameter
2005-01-11 0:49 ` Chris Wright
2005-01-11 0:49 ` Chris Wright
2005-01-11 0:49 ` Chris Wright
2005-01-10 23:55 ` Prezeroing V4 [2/4]: Zeroing implementation Christoph Lameter
2005-01-10 23:55 ` Christoph Lameter
2005-01-10 23:55 ` Christoph Lameter
2005-01-10 23:55 ` Prezeroing V4 [3/4]: Altix SN2 BTE zero driver Christoph Lameter
2005-01-10 23:55 ` Christoph Lameter
2005-01-10 23:55 ` Christoph Lameter
2005-01-10 23:56 ` Prezeroing V4 [4/4]: Extend clear_page to take an order parameter Christoph Lameter
2005-01-10 23:56 ` Christoph Lameter
2005-01-10 23:56 ` Christoph Lameter
2005-01-04 23:14 ` Prezeroing V3 [2/4]: Extension of clear_page to take an order Christoph Lameter
2005-01-04 23:14 ` Prezeroing V3 [2/4]: Extension of clear_page to take an order parameter Christoph Lameter
2005-01-04 23:14 ` Christoph Lameter
2005-01-05 23:25 ` Prezeroing V3 [2/4]: Extension of clear_page to take an order Christoph Lameter
2005-01-05 23:25 ` Prezeroing V3 [2/4]: Extension of clear_page to take an order parameter Christoph Lameter
2005-01-05 23:25 ` Christoph Lameter
2005-01-06 13:52 ` Andi Kleen [this message]
2005-01-06 17:47 ` Christoph Lameter
2005-01-04 23:15 ` Prezeroing V3 [3/4]: Page zeroing through kscrubd Christoph Lameter
2005-01-04 23:15 ` Christoph Lameter
2005-01-04 23:15 ` Christoph Lameter
2005-01-04 23:16 ` Prezeroing V3 [4/4]: Driver for hardware zeroing on Altix Christoph Lameter
2005-01-04 23:16 ` Christoph Lameter
2005-01-04 23:16 ` Christoph Lameter
2005-01-05 2:16 ` Andi Kleen
2005-01-05 16:24 ` Christoph Lameter
2004-12-23 19:34 ` Prezeroing V2 [3/4]: Add support for ZEROED and NOT_ZEROED free maps Christoph Lameter
2004-12-23 19:34 ` Christoph Lameter
2004-12-23 19:34 ` Christoph Lameter
2004-12-23 19:35 ` Prezeroing V2 [4/4]: Hardware Zeroing through SGI BTE Christoph Lameter
2004-12-23 19:35 ` Christoph Lameter
2004-12-23 19:35 ` Christoph Lameter
2004-12-23 20:08 ` Prezeroing V2 [1/4]: __GFP_ZERO / clear_page() removal Brian Gerst
2004-12-23 20:08 ` Brian Gerst
2004-12-23 20:08 ` Brian Gerst
2004-12-24 16:24 ` Christoph Lameter
2004-12-24 16:24 ` Christoph Lameter
2004-12-24 16:24 ` Christoph Lameter
2004-12-23 19:49 ` Prezeroing V2 [0/3]: Why and When it works Arjan van de Ven
2004-12-23 19:49 ` Arjan van de Ven
2004-12-23 19:49 ` Arjan van de Ven
2004-12-23 20:57 ` Matt Mackall
2004-12-23 20:57 ` Matt Mackall
2004-12-23 20:57 ` Matt Mackall
2004-12-23 21:01 ` Paul Mackerras
2004-12-23 21:01 ` Paul Mackerras
2004-12-23 21:01 ` Paul Mackerras
2004-12-23 21:11 ` Paul Mackerras
2004-12-23 21:11 ` Paul Mackerras
2004-12-23 21:11 ` Paul Mackerras
2004-12-23 21:37 ` Andrew Morton
2004-12-23 21:37 ` Andrew Morton
2004-12-23 21:37 ` Andrew Morton
2004-12-23 23:00 ` Paul Mackerras
2004-12-23 23:00 ` Paul Mackerras
2004-12-23 23:00 ` Paul Mackerras
2004-12-23 21:48 ` Linus Torvalds
2004-12-23 21:48 ` Linus Torvalds
2004-12-23 21:48 ` Linus Torvalds
2004-12-23 22:34 ` Zwane Mwaikambo
2004-12-23 22:34 ` Zwane Mwaikambo
2004-12-23 22:34 ` Zwane Mwaikambo
2004-12-24 9:14 ` Arjan van de Ven
2004-12-24 9:14 ` Arjan van de Ven
2004-12-24 9:14 ` Arjan van de Ven
2004-12-24 18:21 ` Linus Torvalds
2004-12-24 18:21 ` Linus Torvalds
2004-12-24 18:21 ` Linus Torvalds
2004-12-24 18:57 ` Arjan van de Ven
2004-12-24 18:57 ` Arjan van de Ven
2004-12-24 18:57 ` Arjan van de Ven
2004-12-27 22:50 ` David S. Miller
2004-12-27 22:50 ` David S. Miller
2004-12-27 22:50 ` David S. Miller
2004-12-28 11:53 ` Marcelo Tosatti
2004-12-28 11:53 ` Marcelo Tosatti
2004-12-28 11:53 ` Marcelo Tosatti
2004-12-24 16:17 ` Christoph Lameter
2004-12-24 16:17 ` Christoph Lameter
2004-12-24 16:17 ` Christoph Lameter
2004-12-24 18:31 ` Increase page fault rate by prezeroing V1 [0/3]: Overview Andrea Arcangeli
2004-12-24 18:31 ` Andrea Arcangeli
2005-01-03 17:54 ` Christoph Lameter
2005-01-03 17:54 ` Christoph Lameter
2004-12-21 19:55 ` Christoph Lameter
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