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From: Andrew Morton <akpm@zip.com.au>
To: Roy Sigurd Karlsbakk <roy@karlsbakk.net>
Cc: "Martin J. Bligh" <Martin.Bligh@us.ibm.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [BUG] 2.4 VM sucks. Again
Date: Thu, 30 May 2002 12:28:31 -0700	[thread overview]
Message-ID: <3CF67D5F.3398C893@zip.com.au> (raw)
In-Reply-To: <200205241004.g4OA4Ul28364@mail.pronto.tv> <1572079531.1022225730@[10.10.2.3]> <3CEE954F.9CB99816@zip.com.au> <200205301029.g4UATuE03249@mail.pronto.tv>

Roy Sigurd Karlsbakk wrote:
> 
> > > I don't think Andrew is ready to submit this yet ... before anything
> > > gets merged back, it'd be very worthwhile testing the relative
> > > performance of both solutions ... the more testers we have the
> > > better ;-)
> >
> > Cripes no.  It's pretty experimental.  Andrea spotted a bug, too.  Fixed
> > version is below.
> 
> Works great! This should _definetely_ be merged into the main kernel after
> som testing. Without it _all_ other kernels I've tested (2.4.lots) goes OOM
> under the mentioned scenarios. This one simply does the job.

I suspect nuke-buffers is simply always the right thing to do.  It's
what 2.5 is doing now (effectively).  We'll see...

But in your case, you only have a couple of gigs of memory, iirc.
You shouldn't be running into catastrophic buffer_head congestion.
Something odd is happening.

If you can provide a really detailed set of steps which can be
used by others to reproduce this, that would really help.

-

  reply	other threads:[~2002-05-30 19:29 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-05-23 13:11 [BUG] 2.4 VM sucks. Again Roy Sigurd Karlsbakk
2002-05-23 14:54 ` Martin J. Bligh
2002-05-23 16:29   ` Roy Sigurd Karlsbakk
2002-05-23 16:46     ` Martin J. Bligh
2002-05-24 10:04       ` Roy Sigurd Karlsbakk
2002-05-24 14:35         ` Martin J. Bligh
2002-05-24 19:32           ` Andrew Morton
2002-05-30 10:29             ` Roy Sigurd Karlsbakk
2002-05-30 19:28               ` Andrew Morton [this message]
2002-05-31 16:56                 ` Roy Sigurd Karlsbakk
2002-05-31 18:19                   ` Andrea Arcangeli
2002-06-18 11:26             ` Roy Sigurd Karlsbakk
2002-06-18 19:42               ` Andrew Morton
2002-06-19 11:26                 ` Roy Sigurd Karlsbakk
2002-07-10  7:50             ` [2.4 BUFFERING BUG] (was [BUG] 2.4 VM sucks. Again) Roy Sigurd Karlsbakk
2002-07-10  8:05               ` Andrew Morton
2002-07-10  8:14                 ` Roy Sigurd Karlsbakk
2002-08-28  9:28             ` [BUG+FIX] 2.4 buggercache sucks Roy Sigurd Karlsbakk
2002-08-28 15:30               ` Martin J. Bligh
2002-08-29  8:00                 ` Roy Sigurd Karlsbakk
2002-08-29 13:42                   ` Martin J. Bligh
2002-08-30  9:21                     ` Roy Sigurd Karlsbakk
2002-08-30 17:19                       ` Martin J. Bligh
2002-08-30 18:49                         ` Andrew Morton
2002-05-24 15:11     ` [BUG] 2.4 VM sucks. Again Alan Cox
2002-05-24 15:53       ` Martin J. Bligh
2002-05-24 16:14         ` Alan Cox
2002-05-24 16:31           ` Martin J. Bligh
2002-05-24 17:30             ` Austin Gonyou
2002-05-24 17:43               ` Martin J. Bligh
2002-05-24 18:03                 ` Austin Gonyou
2002-05-24 18:10                   ` Martin J. Bligh
2002-05-24 18:29                     ` 2.4 Kernel Perf discussion [Was Re: [BUG] 2.4 VM sucks. Again] Austin Gonyou
2002-05-24 19:01                       ` Stephen Frost
2002-05-27  9:24               ` [BUG] 2.4 VM sucks. Again Marco Colombo
2002-05-27 22:24                 ` Austin Gonyou
2002-05-27 23:08                   ` Austin Gonyou
2002-05-27 11:12       ` Roy Sigurd Karlsbakk
2002-05-27 14:31         ` Alan Cox
2002-05-27 13:43           ` Roy Sigurd Karlsbakk
2002-05-23 16:03 ` Johannes Erdfelt
2002-05-23 16:33   ` Roy Sigurd Karlsbakk
2002-05-23 22:50     ` Luigi Genoni
2002-05-24 11:53       ` Roy Sigurd Karlsbakk
2002-05-23 18:12 ` jlnance
2002-05-24 10:36   ` Roy Sigurd Karlsbakk
2002-05-31 21:21     ` Andrea Arcangeli
2002-06-01 12:36       ` Roy Sigurd Karlsbakk

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