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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next prev 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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