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From: Andy Whitcroft <apw@shadowen.org>
To: Andrew Morton <akpm@osdl.org>
Cc: Linus Torvalds <torvalds@osdl.org>,
	clameter@sgi.com, a.p.zijlstra@chello.nl, piggin@cyberone.com.au,
	ak@suse.de, rohitseth@google.com, mbligh@google.com,
	hugh@veritas.com, riel@redhat.com, andrea@suse.de,
	arjan@infradead.org, mel@csn.ul.ie, marcelo@kvack.org,
	anton@samba.org, paulmck@us.ibm.com, linux-mm@kvack.org
Subject: Re: [RFC][PATCH 1/3] tracking dirty pages in shared mappings -V4
Date: Sun, 14 May 2006 16:58:34 +0100	[thread overview]
Message-ID: <446753AA.7040700@shadowen.org> (raw)
In-Reply-To: <20060511164448.4686a2bd.akpm@osdl.org>

Andrew Morton wrote:
> Linus Torvalds <torvalds@osdl.org> wrote:
> 
>>What happened to the VM stress-test programs that we used to test the 
>>page-out with? I forget who kept a collection of them around, but they did 
>>things like trying to cause MM problems on purpose.
> 
> 
> I think that was me, back in my programming days.
> 
> 
>>And I'm pretty sure 
>>some of the nastiest ones used shared mappings, exactly because we've had 
>>problems with the virtual scanning.
> 
> 
> http://www.zip.com.au/~akpm/linux/patches/stuff/ext3-tools.tar.gz
> 
> run-bash-shared-mapping.sh is a good stress-tester and deadlock-finder.

Well my amd64 box ran run-bash-shared-mapping.sh for 6 hours without a
peep or oops.  Machine seemed ok at the end.

-apw

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  parent reply	other threads:[~2006-05-14 15:58 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-05 20:35 [RFC][PATCH] tracking dirty pages in shared mappings Peter Zijlstra
2006-05-06 13:18 ` Nick Piggin
2006-05-06 13:34   ` Peter Zijlstra
2006-05-06 13:47     ` Nick Piggin
2006-05-06 15:29       ` Peter Zijlstra
2006-05-07  0:40         ` Nick Piggin
2006-05-07  3:43           ` Nick Piggin
2006-05-08  6:43         ` Christoph Lameter
2006-05-08  7:23           ` Peter Zijlstra
2006-05-08 19:20           ` [RFC][PATCH 1/2] tracking dirty pages in shared mappings -V3 Peter Zijlstra
2006-05-09  5:41             ` Christoph Lameter
2006-05-09  6:06               ` Peter Zijlstra
2006-05-09 20:44               ` [RFC][PATCH 1/3] tracking dirty pages in shared mappings -V4 Peter Zijlstra
2006-05-09 20:52                 ` Peter Chubb
2006-05-09 20:55                   ` Martin Bligh
2006-05-09 22:56                     ` Brian Twichell
2006-05-10  0:24                     ` Linus Torvalds
2006-05-10  0:29                       ` Nick Piggin
2006-05-10  1:24                         ` Linus Torvalds
2006-05-11 15:02                 ` Andrew Morton
2006-05-11 16:39                   ` Andy Whitcroft
2006-05-11 22:52                   ` Christoph Lameter
2006-05-11 23:30                     ` Linus Torvalds
2006-05-11 23:44                       ` Andrew Morton
2006-05-12  0:10                         ` Linus Torvalds
2006-05-12  8:07                         ` Andy Whitcroft
2006-05-12 14:25                           ` Martin J. Bligh
2006-05-14 15:58                         ` Andy Whitcroft [this message]
2006-05-12  1:51                   ` Nick Piggin
2006-05-12  4:30                     ` Andrew Morton
2006-05-12  5:05                       ` Nick Piggin
2006-05-12  7:06                       ` Peter Zijlstra
2006-05-12  8:04                         ` Nick Piggin
2006-05-12  8:52                           ` Peter Zijlstra
2006-05-12  8:07                         ` Nick Piggin
2006-05-12  4:51                   ` Christoph Lameter
2006-05-09 20:44               ` [RFC][PATCH 2/3] throttle writers of shared mappings Peter Zijlstra
2006-05-09 22:54                 ` Nick Piggin
2006-05-09 22:55                   ` Nick Piggin
2006-05-10  6:25                     ` Peter Zijlstra
2006-05-09 20:44               ` [RFC][PATCH 3/3] optimize follow_pages() Peter Zijlstra
2006-05-10  6:30                 ` Peter Zijlstra
2006-05-08 19:24           ` [RFC][PATCH 2/2] throttle writers of shared mappings Peter Zijlstra

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