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From: "Stephen C. Tweedie" <sct@redhat.com>
To: Gerard Roudier <groudier@club-internet.fr>
Cc: Thomas Sailer <sailer@ife.ee.ethz.ch>,
	linux-kernel@vger.rutgers.edu, linux-mm@kvack.org,
	Stephen Tweedie <sct@redhat.com>
Subject: Re: MM deadlock [was: Re: arca-vm-8...]
Date: Wed, 27 Jan 1999 16:05:43 GMT	[thread overview]
Message-ID: <199901271605.QAA05048@dax.scot.redhat.com> (raw)
In-Reply-To: <Pine.LNX.3.95.990126210417.374A-100000@localhost>

Hi,

On Tue, 26 Jan 1999 21:48:59 +0100 (MET), Gerard Roudier
<groudier@club-internet.fr> said:

> I suggest to allow some application program to decide what stuff to
> victimize and to be able to tell the kernel about, 

Yep, there is already a madvise() fuction in most modern unixen: it is
especially useful for giving cache hints.  

> There are bunches of things that are widespread used nowadays and that 
> should have disappeard since years if people were a bit more concerned 
> by technical and progress considerations.

Yes.  I see what you mean.  We should immediately remove Linux support
for FAT filesystems, the ISA bus and 8086 virtual mode.

Not.

> For example, it seems that 32 bits systems are not enough to provide a
> flat virtual addressing space far larger than the physical address space
> needed for applications (that was the primary goal of virtual memory
> invention).

*One* of the primary goals.  The other was protected multitasking.  The
x86 architecture today is perfectly well capable of supporting mutliple
32-bit address spaces within a 36 bit (64GB) physical address space, and
large multiuser environments would benefit enormously from such an
environment.

> A device that requires more contiguous space than 1 PAGE for its 
> support is crap. 

So?  IDE is crap because it doesn't support multiple outstanding
commands.  If you honestly believe that this means we should remove IDE
support from the kernel, then you are living on another planet where
getting real work done by real users doesn't matter.  Fact is, we _can_
support this stuff, and users want us to.

--Stephen
--
To unsubscribe, send a message with 'unsubscribe linux-mm my@address'
in the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://humbolt.geo.uu.nl/Linux-MM/

  parent reply	other threads:[~1999-01-27 16:06 UTC|newest]

Thread overview: 243+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <199812290146.BAA12687@terrorserver.swansea.linux.org.uk>
1998-12-31 18:00 ` 2.2.0 Bug summary Andrea Arcangeli
1998-12-31 18:34   ` [patch] new-vm improvement [Re: 2.2.0 Bug summary] Andrea Arcangeli
1999-01-01  0:16     ` Steve Bergman
1999-01-01 17:16       ` Andrea Arcangeli
1999-01-01 16:44     ` Andrea Arcangeli
1999-01-01 20:02       ` Andrea Arcangeli
1999-01-01 23:46         ` Steve Bergman
1999-01-02  6:55           ` Linus Torvalds
1999-01-02  8:33             ` Steve Bergman
1999-01-02 14:48             ` Andrea Arcangeli
1999-01-02 15:38             ` Andrea Arcangeli
1999-01-02 18:10               ` Linus Torvalds
1999-01-02 20:52               ` Andrea Arcangeli
1999-01-03  2:59                 ` Andrea Arcangeli
1999-01-04 18:08                   ` [patch] arca-vm-6, killed kswapd [Re: [patch] new-vm improvement , [Re: 2.2.0 Bug summary]] Andrea Arcangeli
1999-01-04 20:56                     ` Linus Torvalds
1999-01-04 21:10                       ` Rik van Riel
1999-01-04 22:04                       ` Alan Cox
1999-01-04 21:55                         ` Linus Torvalds
1999-01-04 22:51                           ` Andrea Arcangeli
1999-01-05  0:32                             ` Andrea Arcangeli
1999-01-05  0:52                               ` Zlatko Calusic
1999-01-05  3:02                               ` Zlatko Calusic
1999-01-05 11:49                                 ` Andrea Arcangeli
1999-01-05 13:23                                   ` Zlatko Calusic
1999-01-05 15:42                                     ` Andrea Arcangeli
1999-01-05 16:16                                       ` Zlatko Calusic
1999-01-05 15:35                               ` arca-vm-8 [Re: [patch] arca-vm-6, killed kswapd [Re: [patch] new-vm , improvement , [Re: 2.2.0 Bug summary]]] Andrea Arcangeli
1999-01-06 14:48                                 ` Andrea Arcangeli
1999-01-06 23:31                                   ` Andrea Arcangeli
1999-01-07  3:32                                     ` Results: 2.2.0-pre5 vs arcavm10 vs arcavm9 vs arcavm7 Steve Bergman
1999-01-07 12:02                                       ` Andrea Arcangeli
1999-01-07 20:27                                         ` Linus Torvalds
1999-01-07 23:56                                           ` Andrea Arcangeli
1999-01-07 17:35                                       ` Linus Torvalds
1999-01-07 18:44                                         ` Zlatko Calusic
1999-01-07 19:33                                           ` Linus Torvalds
1999-01-07 21:10                                             ` Zlatko Calusic
1999-01-07 19:38                                           ` Zlatko Calusic
1999-01-07 19:40                                           ` Andrea Arcangeli
1999-01-09  6:28                                           ` 2.2.0-pre[56] swap performance poor with > 1 thrashing task Dax Kelson
1999-01-09  6:32                                             ` Zlatko Calusic
1999-01-09  6:44                                               ` Linus Torvalds
1999-01-09 18:58                                                 ` Andrea Arcangeli
1999-01-11  9:21                                                 ` Buffer handling (setting PG_referenced on access) Zlatko Calusic
1999-01-11 17:44                                                   ` Linus Torvalds
1999-01-11 20:14                                                     ` Zlatko Calusic
1999-01-16 17:35                                                 ` 2.2.0-pre[56] swap performance poor with > 1 thrashing task Andrea Arcangeli
1999-01-09  7:48                                             ` Benjamin Redelings I
1999-01-09  6:53                                               ` Linus Torvalds
1999-01-09 22:39                                       ` Results: pre6 vs pre6+zlatko's_patch vs pre5 vs arcavm13 Steve Bergman
1999-01-10  0:28                                         ` Steve Bergman
1999-01-10  5:35                                           ` Linus Torvalds
1999-01-10 18:33                                             ` Andrea Arcangeli
1999-01-10 18:43                                             ` Steve Bergman
1999-01-10 19:08                                               ` Linus Torvalds
1999-01-10 19:23                                                 ` Vladimir Dergachev
1999-01-10 20:09                                                 ` Andrea Arcangeli
1999-01-10 20:29                                                 ` Steve Bergman
1999-01-10 21:41                                                   ` Linus Torvalds
1999-01-10 23:33                                                     ` testing/pre-7 and do_poll() Chip Salzenberg
1999-01-11  6:02                                                       ` Linus Torvalds
1999-01-11  6:26                                                         ` Chip Salzenberg
1999-01-11  6:46                                                           ` Linus Torvalds
1999-01-11  6:59                                                             ` Chip Salzenberg
1999-01-11  7:02                                                               ` Linus Torvalds
1999-01-11 22:08                                                                 ` Shawn Leas
1999-01-11 22:13                                                                   ` Linus Torvalds
1999-01-12  0:25                                                                     ` estafford
1999-01-12  8:25                                                                       ` Shawn Leas
1999-01-12  7:06                                                                     ` Gregory Maxwell
1999-01-11 20:20                                                       ` Adam Heath
1999-01-11 16:57                                                   ` Results: pre6 vs pre6+zlatko's_patch vs pre5 vs arcavm13 Steve Bergman
1999-01-11 19:36                                                     ` Andrea Arcangeli
1999-01-11 23:03                                                       ` Andrea Arcangeli
1999-01-11 23:38                                                         ` Zlatko Calusic
1999-01-12  2:02                                                         ` Steve Bergman
1999-01-12  3:21                                                           ` Results: Zlatko's new vm patch Steve Bergman
1999-01-12  5:33                                                             ` Linus Torvalds
1999-01-12 14:49                                                               ` Andrea Arcangeli
1999-01-12 16:58                                                               ` Joseph Anthony
1999-01-12 18:16                                                                 ` Stephen C. Tweedie
1999-01-12 20:15                                                                   ` Michael K Vance
1999-01-13 19:25                                                                     ` Stephen C. Tweedie
1999-01-12 18:24                                                               ` Michael K Vance
1999-01-13  0:01                                                               ` Where to find pre7. Was: " Robert Thorncrantz
1999-01-13 20:47                                                             ` [patch] arca-vm-19 [Re: Results: Zlatko's new vm patch] Andrea Arcangeli
1999-01-14 12:30                                                               ` Andrea Arcangeli
1999-01-15 23:56                                                                 ` [patch] NEW: arca-vm-21, swapout via shrink_mmap using PG_dirty Andrea Arcangeli
1999-01-16 16:49                                                                   ` Andrea Arcangeli
1999-01-17 23:47                                                                     ` Andrea Arcangeli
1999-01-18  5:11                                                                       ` Linus Torvalds
1999-01-18  7:28                                                                         ` Eric W. Biederman
1999-01-18 10:00                                                                           ` Andrea Arcangeli
1999-01-18  9:15                                                                         ` Andrea Arcangeli
1999-01-18 17:49                                                                           ` Linus Torvalds
1999-01-18 19:22                                                                       ` Andrea Arcangeli
1999-01-10 20:40                                               ` Results: pre6 vs pre6+zlatko's_patch vs pre5 vs arcavm13 Andrea Arcangeli
1999-01-10 20:50                                                 ` Linus Torvalds
1999-01-10 21:01                                                   ` Andrea Arcangeli
1999-01-10 21:51                                                     ` Steve Bergman
1999-01-10 22:50                                                       ` Results: arcavm15, et. al Steve Bergman
1999-01-11  0:20                                                         ` Steve Bergman
1999-01-11 13:21                                                         ` Andrea Arcangeli
1999-01-11  3:47                                         ` Results: pre6 vs pre6+zlatko's_patch vs pre5 vs arcavm13 Gregory Maxwell
1999-01-06 23:35                                   ` arca-vm-8 [Re: [patch] arca-vm-6, killed kswapd [Re: [patch] new-vm , improvement , [Re: 2.2.0 Bug summary]]] Linus Torvalds
1999-01-07  4:30                                     ` Eric W. Biederman
1999-01-07 17:56                                       ` Linus Torvalds
1999-01-07 18:18                                         ` Rik van Riel
1999-01-07 19:19                                           ` arca-vm-8 [Re: [patch] arca-vm-6, killed kswapd [Re: [patch] Alan Cox
1999-01-07 18:55                                         ` arca-vm-8 [Re: [patch] arca-vm-6, killed kswapd [Re: [patch] new-vm , improvement , [Re: 2.2.0 Bug summary]]] Zlatko Calusic
1999-01-07 22:57                                         ` Linus Torvalds
1999-01-08  1:16                                           ` Linus Torvalds
1999-01-08 10:45                                             ` Andrea Arcangeli
1999-01-08 19:06                                               ` Linus Torvalds
1999-01-09  9:43                                           ` MM deadlock [was: Re: arca-vm-8...] Savochkin Andrey Vladimirovich
1999-01-09 18:00                                             ` Linus Torvalds
1999-01-09 18:41                                               ` Andrea Arcangeli
1999-01-10 21:41                                                 ` Stephen C. Tweedie
1999-01-10 21:47                                                   ` Linus Torvalds
1999-01-09 21:50                                               ` Linus Torvalds
1999-01-10 11:56                                                 ` Savochkin Andrey Vladimirovich
1999-01-10 17:59                                                   ` Andrea Arcangeli
1999-01-10 22:33                                                   ` Stephen C. Tweedie
1999-01-10 16:59                                                 ` Stephen C. Tweedie
1999-01-10 18:13                                                   ` Andrea Arcangeli
1999-01-10 18:35                                                   ` Linus Torvalds
1999-01-10 19:45                                                     ` Alan Cox
1999-01-10 19:03                                                       ` Andrea Arcangeli
1999-01-10 21:39                                                         ` Stephen C. Tweedie
1999-01-10 19:09                                                       ` Linus Torvalds
1999-01-10 20:33                                                         ` Alan Cox
1999-01-10 20:07                                                           ` Linus Torvalds
1999-01-10 22:18                                                     ` Stephen C. Tweedie
1999-01-10 22:49                                                     ` Stephen C. Tweedie
1999-01-11  6:04                                                       ` Eric W. Biederman
1999-01-12 16:06                                                         ` Stephen C. Tweedie
1999-01-12 17:54                                                           ` Linus Torvalds
1999-01-12 18:44                                                             ` Zlatko Calusic
1999-01-12 19:05                                                               ` Andrea Arcangeli
1999-01-13 17:48                                                                 ` Stephen C. Tweedie
1999-01-13 18:07                                                                   ` 2.2.0-pre6 ain't nice =( Kalle Andersson
1999-01-13 19:05                                                                   ` MM deadlock [was: Re: arca-vm-8...] Alan Cox
1999-01-13 19:23                                                                     ` MOLNAR Ingo
1999-01-13 19:26                                                                     ` Andrea Arcangeli
1999-01-14 11:02                                                                       ` Mike Jagdis
1999-01-14 22:38                                                                         ` Andrea Arcangeli
1999-01-15  7:40                                                                       ` Agus Budy Wuysang
1999-01-14 10:48                                                                   ` Mike Jagdis
1999-01-12 21:46                                                               ` Rik van Riel
1999-01-13  6:52                                                                 ` Zlatko Calusic
1999-01-13 13:45                                                                 ` Andrea Arcangeli
1999-01-13 13:58                                                                   ` Chris Evans
1999-01-13 15:07                                                                     ` Andrea Arcangeli
1999-01-13 22:11                                                                       ` Stephen C. Tweedie
1999-01-13 14:59                                                                   ` Rik van Riel
1999-01-13 18:10                                                                     ` Andrea Arcangeli
1999-01-13 22:14                                                                       ` Stephen C. Tweedie
1999-01-14 14:53                                                                         ` Dr. Werner Fink
1999-01-21 16:50                                                                           ` Stephen C. Tweedie
1999-01-21 19:53                                                                             ` Andrea Arcangeli
1999-01-22 13:55                                                                               ` Stephen C. Tweedie
1999-01-22 19:45                                                                                 ` Andrea Arcangeli
1999-01-23 23:20                                                                             ` Alan Cox
1999-01-24  0:19                                                                               ` Linus Torvalds
1999-01-24 18:33                                                                                 ` Gregory Maxwell
1999-01-25  0:21                                                                                   ` Linus Torvalds
1999-01-25  1:28                                                                                     ` Alan Cox
1999-01-25  3:35                                                                                       ` pmonta
1999-01-25  4:17                                                                                       ` Linus Torvalds
1999-01-24 20:33                                                                                 ` Alan Cox
1999-01-25  0:27                                                                                   ` Linus Torvalds
1999-01-25  1:38                                                                                     ` Alan Cox
1999-01-25  1:04                                                                                       ` Andrea Arcangeli
1999-01-25  2:10                                                                                         ` Alan Cox
1999-01-25  3:16                                                                                           ` Garst R. Reese
1999-01-25 10:49                                                                                             ` Alan Cox
1999-01-25 14:06                                                                                           ` Rik van Riel
1999-01-25 21:59                                                                                       ` Gerard Roudier
1999-01-26 11:45                                                                                         ` Thomas Sailer
1999-01-26 20:48                                                                                           ` Gerard Roudier
1999-01-26 21:24                                                                                             ` Thomas Sailer
1999-01-27  0:25                                                                                             ` David Lang
1999-01-27 16:05                                                                                             ` Stephen C. Tweedie [this message]
1999-01-27 20:11                                                                                               ` Gerard Roudier
1999-01-26 13:06                                                                                         ` Stephen C. Tweedie
1999-01-26 14:28                                                                                           ` Alan Cox
1999-01-26 14:15                                                                                             ` MOLNAR Ingo
1999-01-26 14:36                                                                                               ` yodaiken
1999-01-26 15:21                                                                                                 ` MOLNAR Ingo
1999-01-27 10:31                                                                                                   ` yodaiken
1999-01-26 15:46                                                                                                 ` Alan Cox
1999-01-26 16:45                                                                                                   ` Stephen C. Tweedie
1999-01-30  7:01                                                                                                     ` yodaiken
1999-02-01 13:07                                                                                                       ` Stephen C. Tweedie
1999-01-26 16:37                                                                                               ` Stephen C. Tweedie
1999-01-27 11:35                                                                                               ` Jakub Jelinek
1999-01-26 14:21                                                                                             ` Rik van Riel
1999-01-25 16:25                                                                                 ` Stephen C. Tweedie
1999-01-25 16:52                                                                                   ` Andrea Arcangeli
1999-01-25 18:27                                                                                   ` Linus Torvalds
1999-01-25 18:43                                                                                     ` Stephen C. Tweedie
1999-01-25 18:49                                                                                       ` Linus Torvalds
1999-01-25 18:43                                                                                   ` Linus Torvalds
1999-01-25 19:15                                                                                     ` Stephen C. Tweedie
1999-01-26  1:57                                                                                   ` Andrea Arcangeli
1999-01-26 18:37                                                                                     ` Andrea Arcangeli
1999-01-27 12:13                                                                                     ` Stephen C. Tweedie
1999-01-22 16:29                                                                           ` Eric W. Biederman
1999-01-25 13:14                                                                             ` Dr. Werner Fink
1999-01-25 17:56                                                                               ` Stephen C. Tweedie
1999-01-25 19:10                                                                               ` Andrea Arcangeli
1999-01-25 20:49                                                                                 ` Dr. Werner Fink
1999-01-25 20:56                                                                                   ` Linus Torvalds
1999-01-26 12:23                                                                                     ` Rik van Riel
1999-01-26 15:44                                                                                       ` Andrea Arcangeli
1999-01-27 14:52                                                                                   ` Stephen C. Tweedie
1999-01-28 19:12                                                                                     ` Dr. Werner Fink
1999-01-13 17:55                                                                   ` [PATCH] " Stephen C. Tweedie
1999-01-13 18:52                                                                     ` Andrea Arcangeli
1999-01-13 22:10                                                                       ` Stephen C. Tweedie
1999-01-13 22:30                                                                         ` Linus Torvalds
1999-01-11 11:20                                                       ` Pavel Machek
1999-01-11 17:35                                                         ` Stephen C. Tweedie
1999-01-11 14:11                                                     ` Savochkin Andrey Vladimirovich
1999-01-11 17:55                                                       ` Linus Torvalds
1999-01-11 18:37                                                         ` Andrea Arcangeli
1999-01-08  2:56                                         ` arca-vm-8 [Re: [patch] arca-vm-6, killed kswapd [Re: [patch] new-vm , improvement , [Re: 2.2.0 Bug summary]]] Eric W. Biederman
1999-01-09  0:50                                         ` David S. Miller
1999-01-09  2:13                                         ` Stephen C. Tweedie
1999-01-09  2:34                                           ` Andrea Arcangeli
1999-01-09  9:30                                             ` Stephen C. Tweedie
1999-01-09 12:11                                           ` Andrea Arcangeli
1999-01-07 14:11                                     ` Andrea Arcangeli
1999-01-07 18:19                                       ` Linus Torvalds
1999-01-07 20:35                                         ` Andrea Arcangeli
1999-01-07 23:51                                           ` Linus Torvalds
1999-01-08  0:04                                             ` Andrea Arcangeli
1999-01-04 22:43                         ` [patch] arca-vm-6, killed kswapd [Re: [patch] new-vm improvement , [Re: 2.2.0 Bug summary]] Andrea Arcangeli
1999-01-04 22:29                       ` Andrea Arcangeli
1999-01-05 13:33                   ` [patch] new-vm improvement [Re: 2.2.0 Bug summary] Ben McCann
1999-01-02 20:04             ` Steve Bergman
1999-01-02  3:03         ` Andrea Arcangeli

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