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From: chrisl@vmware.com
To: Andrew Morton <akpm@digeo.com>
Cc: Andrea Arcangeli <andrea@suse.de>,
	linux-kernel@vger.kernel.org, chrisl@gnuchina.org,
	Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: writepage return value check in vmscan.c
Date: Thu, 24 Oct 2002 14:23:13 -0700	[thread overview]
Message-ID: <20021024212313.GF1398@vmware.com> (raw)
In-Reply-To: <3DB85C1B.62D14184@digeo.com>

On Thu, Oct 24, 2002 at 01:46:19PM -0700, Andrew Morton wrote:
> chrisl@vmware.com wrote:
> > 
> > ...
> > See the comment at the source for parameter. basically, if you want
> > 3 virtual machine, each have 2 process, using 1 G ram each you can do:
> > 
> > bigmm -i 3 -t 2 -c 1024
> > 
> > I run it on two 4G and 8G smp machine. Both can dead lock if I mmap
> > enough memory.
> > 
> 
> Are you sure it's a deadlock?  A large MAP_SHARED load like this

deadlock is the wrong word. Its harddisk keep spinning and not
response to anything. 

> on a 2.4 highmem machine can go into a spin, but it will come back
> to life after several minutes.

No, it will not come back to life, at least not after several minutes.
And there is not sign it is going to come back to life. 

Chris



  reply	other threads:[~2002-10-24 21:16 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-10-24  8:25 writepage return value check in vmscan.c chrisl
2002-10-24  8:36 ` Andrew Morton
2002-10-24  9:15   ` Alan Cox
2002-10-24 11:44     ` Andrea Arcangeli
2002-10-24 16:12       ` Andrew Morton
2002-10-24 17:59     ` chrisl
2002-10-24 11:31   ` Andrea Arcangeli
2002-10-24 18:30     ` chrisl
2002-10-24 18:40       ` Andrea Arcangeli
2002-10-24 19:14         ` Rik van Riel
2002-10-24 19:25           ` Andrew Morton
2002-10-24 17:57   ` chrisl
2002-10-24 18:33     ` Andrea Arcangeli
2002-10-24 19:15       ` chrisl
2002-10-24 20:41         ` Andrea Arcangeli
2002-10-24 21:17           ` chrisl
2002-10-24 20:46         ` Andrew Morton
2002-10-24 21:23           ` chrisl [this message]
2002-10-24 21:29             ` Andrew Morton
2002-10-25 16:11               ` Paul Larson
2002-10-25 16:31                 ` Christoph Hellwig
2002-10-25 17:07                 ` Rik van Riel
2002-10-25 18:44         ` Andrew Morton
2002-10-28 19:17           ` chrisl
2002-10-28 19:53             ` Andrew Morton
2002-10-28 20:38               ` chrisl
2002-10-28 21:14               ` Andrea Arcangeli
2002-10-28  8:28         ` Christoph Rohland
2002-10-28 18:44           ` chrisl
2002-10-28 19:22             ` Andrea Arcangeli
2002-10-28 19:29               ` chrisl
2002-10-29  6:10               ` Randy.Dunlap
2002-10-29  7:08                 ` Andreas Dilger
2002-10-28 19:58       ` chrisl
2002-10-28 21:32         ` Andrea Arcangeli
2002-10-30  4:13           ` chrisl

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