From: Ingo Molnar <mingo@elte.hu>
To: Bernd Petrovitsch <bernd@firmix.at>
Cc: Andrew Morton <akpm@osdl.org>,
Badari Pulavarty <pbadari@gmail.com>,
Linus Torvalds <torvalds@osdl.org>,
jdike@addtoit.com, rob@landley.net, nickpiggin@yahoo.com.au,
gh@us.ibm.com, kamezawa.hiroyu@jp.fujitsu.com,
haveblue@us.ibm.com, mel@csn.ul.ie, mbligh@mbligh.org,
kravetz@us.ibm.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, lhms-devel@lists.sourceforge.net
Subject: Re: [patch] swapin rlimit
Date: Fri, 4 Nov 2005 11:21:18 +0100 [thread overview]
Message-ID: <20051104102118.GA26388@elte.hu> (raw)
In-Reply-To: <1131099267.30726.43.camel@tara.firmix.at>
* Bernd Petrovitsch <bernd@firmix.at> wrote:
> On Fri, 2005-11-04 at 08:26 +0100, Ingo Molnar wrote:
> > * Andrew Morton <akpm@osdl.org> wrote:
> >
> > > Similarly, that SGI patch which was rejected 6-12 months ago to kill
> > > off processes once they started swapping. We thought that it could be
> > > done from userspace, but we need a way for userspace to detect when a
> > > task is being swapped on a per-task basis.
> >
> > wouldnt the clean solution here be a "swap ulimit"?
>
> Hmm, where is the difference to "mlockall(MCL_CURRENT|MCL_FUTURE);"?
> OK, mlockall() can only be done by root (processes).
what do you mean? mlockall pins down all pages. swapin ulimit kills the
task (and thus frees all the RAM it had) when it touches swap for the
first time. These two solutions almost oppose each other!
Ingo
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next prev parent reply other threads:[~2005-11-04 10:21 UTC|newest]
Thread overview: 185+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-30 18:33 [PATCH 0/7] Fragmentation Avoidance V19 Mel Gorman
2005-10-30 18:34 ` [PATCH 1/7] Fragmentation Avoidance V19: 001_antidefrag_flags Mel Gorman
2005-10-30 18:34 ` [PATCH 2/7] Fragmentation Avoidance V19: 002_usemap Mel Gorman
2005-10-30 18:34 ` [PATCH 3/7] Fragmentation Avoidance V19: 003_fragcore Mel Gorman
2005-10-30 18:34 ` [PATCH 4/7] Fragmentation Avoidance V19: 004_fallback Mel Gorman
2005-10-30 18:34 ` [PATCH 5/7] Fragmentation Avoidance V19: 005_largealloc_tryharder Mel Gorman
2005-10-30 18:34 ` [PATCH 6/7] Fragmentation Avoidance V19: 006_percpu Mel Gorman
2005-10-30 18:34 ` [PATCH 7/7] Fragmentation Avoidance V19: 007_stats Mel Gorman
2005-10-31 5:57 ` [Lhms-devel] [PATCH 0/7] Fragmentation Avoidance V19 Mike Kravetz
2005-10-31 6:37 ` Nick Piggin
2005-10-31 7:54 ` Andrew Morton
2005-10-31 7:11 ` Nick Piggin
2005-10-31 16:19 ` Mel Gorman
2005-10-31 23:54 ` Nick Piggin
2005-11-01 1:28 ` Mel Gorman
2005-11-01 1:42 ` Nick Piggin
2005-10-31 14:34 ` Martin J. Bligh
2005-10-31 19:24 ` Andrew Morton
2005-10-31 19:40 ` Martin J. Bligh
2005-10-31 23:59 ` Nick Piggin
2005-11-01 1:36 ` Mel Gorman
2005-10-31 23:29 ` Nick Piggin
2005-11-01 0:59 ` Mel Gorman
2005-11-01 1:31 ` Nick Piggin
2005-11-01 2:07 ` Mel Gorman
2005-11-01 2:35 ` Nick Piggin
2005-11-01 11:57 ` Mel Gorman
2005-11-01 13:56 ` Ingo Molnar
2005-11-01 14:10 ` Dave Hansen
2005-11-01 14:29 ` Ingo Molnar
2005-11-01 14:49 ` Dave Hansen
2005-11-01 15:01 ` Ingo Molnar
2005-11-01 15:22 ` Dave Hansen
2005-11-02 8:49 ` Ingo Molnar
2005-11-02 9:02 ` Nick Piggin
2005-11-02 9:17 ` Ingo Molnar
2005-11-02 9:32 ` Dave Hansen
2005-11-02 9:48 ` Nick Piggin
2005-11-02 10:54 ` Dave Hansen
2005-11-02 15:02 ` Martin J. Bligh
2005-11-03 3:21 ` Nick Piggin
2005-11-03 15:36 ` Martin J. Bligh
2005-11-03 15:40 ` Arjan van de Ven
2005-11-03 15:51 ` Linus Torvalds
2005-11-03 15:57 ` Martin J. Bligh
2005-11-03 16:20 ` Arjan van de Ven
2005-11-03 16:27 ` Mel Gorman
2005-11-03 16:46 ` Linus Torvalds
2005-11-03 16:52 ` Martin J. Bligh
2005-11-03 17:19 ` Linus Torvalds
2005-11-03 17:48 ` Dave Hansen
2005-11-03 17:51 ` Martin J. Bligh
2005-11-03 17:59 ` Arjan van de Ven
2005-11-03 18:08 ` Linus Torvalds
2005-11-03 18:17 ` Martin J. Bligh
2005-11-03 18:44 ` Linus Torvalds
2005-11-03 18:51 ` Martin J. Bligh
2005-11-03 19:35 ` Linus Torvalds
2005-11-03 22:40 ` Martin J. Bligh
2005-11-03 22:56 ` Linus Torvalds
2005-11-03 23:01 ` Martin J. Bligh
2005-11-04 0:58 ` Nick Piggin
2005-11-04 1:06 ` Linus Torvalds
2005-11-04 1:20 ` Paul Mackerras
2005-11-04 1:22 ` Nick Piggin
2005-11-04 1:48 ` Mel Gorman
2005-11-04 1:59 ` Nick Piggin
2005-11-04 2:35 ` Mel Gorman
2005-11-04 1:26 ` Mel Gorman
2005-11-03 21:11 ` Mel Gorman
2005-11-03 18:03 ` Linus Torvalds
2005-11-03 20:00 ` Paul Jackson
2005-11-03 20:46 ` Mel Gorman
2005-11-03 18:48 ` Martin J. Bligh
2005-11-03 19:08 ` Linus Torvalds
2005-11-03 22:37 ` Martin J. Bligh
2005-11-03 23:16 ` Linus Torvalds
2005-11-03 23:39 ` Martin J. Bligh
2005-11-04 0:42 ` Nick Piggin
2005-11-04 4:39 ` Andrew Morton
2005-11-04 16:22 ` Mel Gorman
2005-11-03 15:53 ` Martin J. Bligh
2005-11-02 14:57 ` Martin J. Bligh
2005-11-01 16:48 ` Kamezawa Hiroyuki
2005-11-01 16:59 ` Kamezawa Hiroyuki
2005-11-01 17:19 ` Mel Gorman
2005-11-02 0:32 ` KAMEZAWA Hiroyuki
2005-11-02 11:22 ` Mel Gorman
2005-11-01 18:06 ` linux-os (Dick Johnson)
2005-11-02 7:19 ` Ingo Molnar
2005-11-02 7:46 ` Gerrit Huizenga
2005-11-02 8:50 ` Nick Piggin
2005-11-02 9:12 ` Gerrit Huizenga
2005-11-02 9:37 ` Nick Piggin
2005-11-02 10:17 ` Gerrit Huizenga
2005-11-02 23:47 ` Rob Landley
2005-11-03 4:43 ` Nick Piggin
2005-11-03 6:07 ` Rob Landley
2005-11-03 7:34 ` Nick Piggin
2005-11-03 17:54 ` Rob Landley
2005-11-03 20:13 ` Jeff Dike
2005-11-03 16:35 ` Jeff Dike
2005-11-03 16:23 ` Badari Pulavarty
2005-11-03 18:27 ` Jeff Dike
2005-11-03 18:49 ` Rob Landley
2005-11-04 4:52 ` Andrew Morton
2005-11-04 5:35 ` Paul Jackson
2005-11-04 5:48 ` Andrew Morton
2005-11-04 6:42 ` Paul Jackson
2005-11-04 7:10 ` Andrew Morton
2005-11-04 7:45 ` Paul Jackson
2005-11-04 8:02 ` Andrew Morton
2005-11-04 9:52 ` Paul Jackson
2005-11-04 15:27 ` Martin J. Bligh
2005-11-04 15:19 ` Martin J. Bligh
2005-11-04 17:38 ` Andrew Morton
2005-11-04 6:16 ` Bron Nelson
2005-11-04 7:26 ` [patch] swapin rlimit Ingo Molnar
2005-11-04 7:36 ` Andrew Morton
2005-11-04 8:07 ` Ingo Molnar
2005-11-04 10:06 ` Paul Jackson
2005-11-04 15:24 ` Martin J. Bligh
2005-11-04 8:18 ` Arjan van de Ven
2005-11-04 10:04 ` Paul Jackson
2005-11-04 15:14 ` Rob Landley
2005-11-04 10:14 ` Bernd Petrovitsch
2005-11-04 10:21 ` Ingo Molnar [this message]
2005-11-04 11:17 ` Bernd Petrovitsch
2005-11-02 10:41 ` [Lhms-devel] [PATCH 0/7] Fragmentation Avoidance V19 Ingo Molnar
2005-11-02 11:04 ` Gerrit Huizenga
2005-11-02 12:00 ` Ingo Molnar
2005-11-02 12:42 ` Dave Hansen
2005-11-02 15:02 ` Gerrit Huizenga
2005-11-03 0:10 ` Rob Landley
2005-11-02 7:57 ` Nick Piggin
2005-11-02 0:51 ` Nick Piggin
2005-11-02 7:42 ` Dave Hansen
2005-11-02 8:24 ` Nick Piggin
2005-11-02 8:33 ` Yasunori Goto
2005-11-02 8:43 ` Nick Piggin
2005-11-02 14:51 ` Martin J. Bligh
2005-11-02 23:28 ` Rob Landley
2005-11-03 5:26 ` Jeff Dike
2005-11-03 5:41 ` Rob Landley
2005-11-04 3:26 ` [uml-devel] " Blaisorblade
2005-11-04 15:50 ` Rob Landley
2005-11-04 17:18 ` Blaisorblade
2005-11-04 17:44 ` Rob Landley
2005-11-02 12:38 ` [Lhms-devel] [PATCH 0/7] Fragmentation Avoidance V19 - Summary Mel Gorman
2005-11-03 3:14 ` Nick Piggin
2005-11-03 12:19 ` Mel Gorman
2005-11-10 18:47 ` Steve Lord
2005-11-03 15:34 ` Martin J. Bligh
2005-11-01 14:41 ` [Lhms-devel] [PATCH 0/7] Fragmentation Avoidance V19 Mel Gorman
2005-11-01 14:46 ` Ingo Molnar
2005-11-01 15:23 ` Mel Gorman
2005-11-01 18:33 ` Rob Landley
2005-11-01 19:02 ` Ingo Molnar
2005-11-01 14:50 ` Dave Hansen
2005-11-01 15:24 ` Mel Gorman
2005-11-02 5:11 ` Andrew Morton
2005-11-01 18:23 ` Rob Landley
2005-11-01 20:31 ` Joel Schopp
2005-11-01 20:59 ` Joel Schopp
2005-11-02 1:06 ` Nick Piggin
2005-11-02 1:41 ` Martin J. Bligh
2005-11-02 2:03 ` Nick Piggin
2005-11-02 2:24 ` Martin J. Bligh
2005-11-02 2:49 ` Nick Piggin
2005-11-02 4:39 ` Martin J. Bligh
2005-11-02 5:09 ` Nick Piggin
2005-11-02 5:14 ` Martin J. Bligh
2005-11-02 6:23 ` KAMEZAWA Hiroyuki
2005-11-02 10:15 ` Nick Piggin
2005-11-02 7:19 ` Yasunori Goto
2005-11-02 11:48 ` Mel Gorman
2005-11-02 11:41 ` Mel Gorman
2005-11-02 11:37 ` Mel Gorman
2005-11-02 15:11 ` Mel Gorman
2005-11-01 15:25 ` Martin J. Bligh
2005-11-01 15:33 ` Dave Hansen
2005-11-01 16:57 ` Mel Gorman
2005-11-01 17:00 ` Mel Gorman
2005-11-01 18:58 ` Rob Landley
2005-11-01 14:40 ` Avi Kivity
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