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From: David Miller <davem@davemloft.net>
From: "Matthew Hawkins" <darthmdh@gmail.com>
To: darthmdh@gmail.com
Cc: akpm@linux-foundation.org, ray-lk@madrabbit.org,
	nickpiggin@yahoo.com.au, jesper.juhl@gmail.com,
	linux-kernel@vger.kernel.org, ck@vds.kolivas.org,
	linux-mm@kvack.org, pj@sgi.com
Subject: Re: [ck] Re: -mm merge plans for 2.6.23
Date: Tue, 24 Jul 2007 18:35:27 -0700 (PDT)	[thread overview]
Date: Wed, 25 Jul 2007 11:26:57 +1000	[thread overview]
Message-ID: <20070724.183527.45743058.davem@davemloft.net> (raw)
In-Reply-To: <b21f8390707241826o1422ca3aga9b6516a55dd961d@mail.gmail.com>

> On 7/24/07, Andrew Morton <akpm@linux-foundation.org> wrote:
> > The other consideration here is, as Nick points out, are the problems which
> > people see this patch solving for them solveable in other, better ways?
> > IOW, is this patch fixing up preexisting deficiencies post-facto?
> 
> So let me get this straight - you don't want to merge swap prefetch
> which exists now and solves issues many people are seeing, and has
> been tested more than a gazillion other bits & pieces that do get
> merged - because it could be possible that in the future some other
> patch, which doesn't yet exist and nobody is working on, may solve the
> problem better?

I have to generally agree that the objections to the swap prefetch
patches have been conjecture and in general wasting time and
frustrating people.

There is a point at which it might be wise to just step back and let
the river run it's course and see what happens.  Initially, it's good
to play games of "what if", but after several months it's not a
productive thing and slows down progress for no good reason.

If a better mechanism gets implemented, great!  We'll can easily
replace the swap prefetch stuff at such time.  But until then swap
prefetch is what we have and it's sat long enough in -mm with no major
problems to merge it.

--
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  reply	other threads:[~2007-07-25  1:35 UTC|newest]

Thread overview: 227+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20070710013152.ef2cd200.akpm@linux-foundation.org>
2007-07-10 10:15 ` Con Kolivas
2007-07-11  1:02   ` Matthew Hawkins
2007-07-11  1:14     ` [ck] " Andrew Morton
2007-07-11  1:52       ` André Goddard Rosa
2007-07-11  4:25         ` [ck] " André Goddard Rosa
2007-07-11  2:21       ` Ira Snyder
2007-07-11  3:37         ` timotheus
2007-07-11  2:54       ` Matthew Hawkins
2007-07-11  5:18         ` Nick Piggin
2007-07-11  5:47           ` Ray Lee
2007-07-11  5:54             ` Nick Piggin
2007-07-11  6:04               ` Ray Lee
2007-07-11  6:24                 ` Nick Piggin
2007-07-11  7:50                   ` swap prefetch (Re: -mm merge plans for 2.6.23) Ingo Molnar
2007-07-11  6:00             ` [ck] Re: -mm merge plans for 2.6.23 Nick Piggin
2007-07-11  3:59       ` Grzegorz Kulewski
2007-07-11 12:26       ` Kevin Winchester
2007-07-11 12:36         ` Jesper Juhl
2007-07-12 12:06       ` Kacper Wysocki
2007-07-12 12:35         ` Avuton Olrich
2007-07-22 23:11   ` Con Kolivas
2007-07-23 23:08   ` Jesper Juhl
2007-07-24  3:22     ` Nick Piggin
2007-07-24  4:53       ` Ray Lee
2007-07-24  5:10         ` Jeremy Fitzhardinge
2007-07-24  5:18           ` Ray Lee
2007-07-24  5:16         ` Nick Piggin
2007-07-24 16:11           ` -mm merge plans for 2.6.23 - Completely Fair Swap Prefetch Frank Kingswood
2007-07-25  0:59             ` [ck] " Matthew Hawkins
2007-07-24 16:15           ` -mm merge plans for 2.6.23 Ray Lee
2007-07-25  4:06             ` Nick Piggin
2007-07-25  4:55               ` Rene Herman
2007-07-25  5:00                 ` Nick Piggin
2007-07-25  5:12                 ` david
2007-07-25  5:30                   ` Rene Herman
2007-07-25  5:51                     ` david
2007-07-25  7:14                     ` Valdis.Kletnieks
2007-07-25  8:18                       ` Rene Herman
2007-07-25  8:28                         ` Ingo Molnar
2007-07-25  8:43                           ` Rene Herman
2007-07-25 10:53                             ` [ck] " Jos Poortvliet
2007-07-25 11:06                               ` Nick Piggin
2007-07-25 12:39                                 ` Jos Poortvliet
2007-07-25 13:30                               ` Rene Herman
2007-07-25 13:50                                 ` Ingo Molnar
2007-07-25 17:33                                   ` Satyam Sharma
2007-07-25 20:35                                     ` Ingo Molnar
2007-07-26  2:32                                       ` Bartlomiej Zolnierkiewicz
2007-07-26  4:13                                         ` Jeff Garzik
2007-07-26 10:22                                           ` Bartlomiej Zolnierkiewicz
2007-07-25 11:34                             ` Ingo Molnar
2007-07-25 11:40                               ` Rene Herman
2007-07-25 11:50                                 ` Ingo Molnar
2007-07-25 16:08                               ` Valdis.Kletnieks
2007-07-25 22:05                               ` Paul Jackson
2007-07-25 22:22                                 ` Zan Lynx
2007-07-25 22:27                                 ` Jesper Juhl
2007-07-25 22:28                                 ` [ck] " Michael Chang
2007-07-25 23:45                                 ` André Goddard Rosa
2007-07-25 16:02                     ` Ray Lee
2007-07-25 20:55                       ` Zan Lynx
2007-07-25 21:28                         ` Ray Lee
2007-07-26  1:15                       ` [ck] " Matthew Hawkins
2007-07-26  1:32                         ` Ray Lee
2007-07-26  3:16                           ` Matthew Hawkins
2007-07-26 22:30                         ` Michael Chang
2007-07-25  5:30                 ` Eric St-Laurent
2007-07-25  5:37                   ` Nick Piggin
2007-07-25  5:53                     ` david
2007-07-25  6:04                       ` Nick Piggin
2007-07-25  6:23                         ` david
2007-07-25  7:25                           ` Nick Piggin
2007-07-25  7:49                             ` Ingo Molnar
2007-07-25  7:58                               ` Nick Piggin
2007-07-25  8:15                                 ` Ingo Molnar
2007-07-25 10:41                         ` Jesper Juhl
2007-07-25  6:19                     ` [ck] " Matthew Hawkins
2007-07-25  6:30                       ` Nick Piggin
2007-07-25  6:47                       ` Mike Galbraith
2007-07-25  7:19                         ` Eric St-Laurent
2007-07-25  6:44                     ` Eric St-Laurent
2007-07-25 16:09                     ` Ray Lee
2007-07-26  4:57                       ` Andrew Morton
2007-07-26  5:53                         ` Nick Piggin
2007-07-26  6:06                           ` Andrew Morton
2007-07-26  6:17                             ` Nick Piggin
2007-07-26  6:33                         ` Ray Lee
2007-07-26  6:50                           ` Andrew Morton
2007-07-26  7:43                             ` Ray Lee
2007-07-26  7:59                               ` Nick Piggin
2007-07-28  0:24                             ` Matt Mackall
2007-07-26 14:19                         ` [ck] " Michael Chang
2007-07-26 18:13                           ` Andrew Morton
2007-07-26 22:04                             ` Dirk Schoebel
2007-07-26 22:33                               ` Dirk Schoebel
2007-07-26 23:27                                 ` Jeff Garzik
2007-07-26 23:29                                   ` david
2007-07-26 23:39                                     ` Jeff Garzik
2007-07-27  0:12                                       ` david
2007-07-28  0:12                         ` Matt Mackall
2007-07-28  3:42                         ` Daniel Cheng
2007-07-28  9:35                           ` Stefan Richter
2007-07-25 17:55                     ` Frank A. Kingswood
2007-07-25  6:09               ` [ck] " Matthew Hawkins
2007-07-25  6:18                 ` Nick Piggin
2007-07-25 16:19               ` Ray Lee
2007-07-25 20:46               ` Andi Kleen
2007-07-26  8:38                 ` Frank Kingswood
2007-07-26  9:20                   ` Ingo Molnar
2007-07-26  9:34                     ` Andrew Morton
2007-07-26  9:40                       ` RFT: updatedb "morning after" problem [was: Re: -mm merge plans for 2.6.23] Ingo Molnar
2007-07-26 10:09                         ` Andrew Morton
2007-07-26 10:24                           ` Ingo Molnar
2007-07-27  0:33                             ` [ck] " Matthew Hawkins
2007-07-30  9:33                               ` Helge Hafting
2007-07-26 10:27                           ` Ingo Molnar
2007-07-26 10:38                             ` Andrew Morton
2007-07-26 12:46                           ` Mike Galbraith
2007-07-26 18:05                             ` Andrew Morton
2007-07-27  5:12                               ` Mike Galbraith
2007-07-27  7:23                                 ` Mike Galbraith
2007-07-27  8:47                                   ` Andrew Morton
2007-07-27  8:54                                     ` Al Viro
2007-07-27  9:02                                       ` Andrew Morton
2007-07-27  9:40                                     ` Mike Galbraith
2007-07-27 10:00                                     ` Andrew Morton
2007-07-27 10:25                                       ` Mike Galbraith
2007-07-27 17:45                                         ` Daniel Hazelton
2007-07-27 18:16                                           ` Rene Herman
2007-07-27 19:43                                             ` david
2007-07-28  7:19                                               ` Rene Herman
2007-07-28  8:55                                                 ` david
2007-07-28 10:11                                                   ` Rene Herman
2007-07-28 11:21                                                     ` Alan Cox
2007-07-28 16:29                                                       ` Ray Lee
2007-07-28 21:03                                                       ` david
2007-07-29  8:11                                                       ` Rene Herman
2007-07-29 13:12                                                         ` Alan Cox
2007-07-29 14:07                                                           ` Rene Herman
2007-07-29 14:58                                                             ` Ray Lee
2007-07-29 14:59                                                               ` Rene Herman
2007-07-29 15:20                                                                 ` Ray Lee
2007-07-29 15:36                                                                   ` Rene Herman
2007-07-29 16:04                                                                     ` Ray Lee
2007-07-29 16:59                                                                       ` Rene Herman
2007-07-29 17:19                                                                         ` Ray Lee
2007-07-29 17:33                                                                           ` Rene Herman
2007-07-29 17:52                                                                             ` Ray Lee
2007-07-29 19:05                                                                               ` Rene Herman
2007-07-29 17:53                                                                             ` Alan Cox
2007-07-29 19:33                                                                   ` Paul Jackson
2007-07-29 20:00                                                                     ` Ray Lee
2007-07-29 20:18                                                                       ` Paul Jackson
2007-07-29 20:23                                                                         ` Ray Lee
2007-07-29 21:06                                                                       ` Daniel Hazelton
2007-07-28 21:00                                                     ` david
2007-07-29 10:09                                                       ` Rene Herman
2007-07-29 11:41                                                         ` david
2007-07-29 14:01                                                           ` Rene Herman
2007-07-29 21:19                                                             ` david
2007-08-06  2:14                                                               ` Nick Piggin
2007-08-06  2:22                                                                 ` david
2007-08-06  9:21                                                                   ` Nick Piggin
2007-08-06  9:55                                                                     ` Paolo Ciarrocchi
2007-07-28 15:56                                                   ` Daniel Hazelton
2007-07-28 21:06                                                     ` david
2007-07-28 21:48                                                       ` Daniel Hazelton
2007-07-27 20:28                                             ` Daniel Hazelton
2007-07-28  5:19                                               ` Rene Herman
2007-07-27 23:15                                             ` Björn Steinbrink
2007-07-27 23:29                                               ` Andi Kleen
2007-07-28  0:08                                                 ` Björn Steinbrink
2007-07-28  1:10                                                 ` Daniel Hazelton
2007-07-29 12:53                                                 ` Paul Jackson
2007-07-28  7:35                                               ` Rene Herman
2007-07-28  8:51                                                 ` Rene Herman
2007-07-27 22:08                                           ` Mike Galbraith
2007-07-27 22:51                                             ` Daniel Hazelton
2007-07-28  7:48                                               ` Mike Galbraith
2007-07-28 15:36                                                 ` Daniel Hazelton
2007-07-29  1:33                                     ` Rik van Riel
2007-07-29  3:39                                       ` Andrew Morton
2007-07-26 10:20                         ` Al Viro
2007-07-26 12:23                           ` Andi Kleen
2007-07-26 14:59                             ` Al Viro
2007-07-11 20:41                               ` Pavel Machek
2007-07-27 19:19                           ` Paul Jackson
2007-07-26 13:05                         ` Fredrik Klasson
2007-07-31 16:37               ` [ck] Re: -mm merge plans for 2.6.23 Matthew Hawkins
2007-08-06  2:11                 ` Nick Piggin
2007-07-25  4:46             ` david
2007-07-25  8:00               ` Rene Herman
2007-07-25  8:07                 ` david
2007-07-25  8:29                   ` Rene Herman
2007-07-25  8:31                     ` david
2007-07-25  8:33                       ` david
2007-07-25 10:58                         ` Rene Herman
2007-07-25 15:55               ` Ray Lee
2007-07-25 20:16                 ` Al Boldi
2007-07-27  0:28                   ` Magnus Naeslund
2007-07-24  5:18         ` Andrew Morton
2007-07-24  6:01           ` Ray Lee
2007-07-24  6:10             ` Andrew Morton
2007-07-24  9:38             ` Tilman Schmidt
2007-07-25  1:26           ` [ck] " Matthew Hawkins
2007-07-25  1:35             ` David Miller, Matthew Hawkins [this message]
2007-07-24  0:08   ` Con Kolivas
2007-07-11 11:39 ` buffered write patches, " Christoph Hellwig
2007-07-11 17:23   ` Andrew Morton
2007-07-11 12:23 ` lguest, " Christoph Hellwig
2007-07-11 15:45   ` Randy Dunlap
2007-07-11 18:04   ` Andrew Morton
2007-07-12  1:21   ` Rusty Russell
2007-07-12  2:28     ` David Miller, Rusty Russell
2007-07-12  2:48       ` Rusty Russell
2007-07-12  2:51         ` David Miller, Rusty Russell
2007-07-12  3:15           ` Rusty Russell
2007-07-12  3:35             ` David Miller, Rusty Russell
2007-07-12  4:24         ` Andrew Morton
2007-07-12  4:52           ` Rusty Russell
2007-07-12 11:10             ` Avi Kivity
2007-07-19 17:27             ` Christoph Hellwig
2007-07-20  3:27               ` Rusty Russell
2007-07-20  7:15                 ` Christoph Hellwig
2007-07-12  0:54 ` fault vs invalidate race (Re: -mm merge plans for 2.6.23) Nick Piggin
2007-07-12  2:31   ` block_page_mkwrite? (Re: fault vs invalidate race (Re: -mm merge plans for 2.6.23)) David Chinner
2007-07-12  2:42     ` Nick Piggin

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