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Date: Wed, 19 Feb 2003 18:49:40 +0100
From: Andrea Arcangeli <andrea@suse.de>
To: Marc-Christian Petersen <m.c.p@wolk-project.de>
Cc: Andrew Morton <akpm@digeo.com>, t.baetzler@bringe.com,
       linux-kernel@vger.kernel.org,
       Marcelo Tosatti <marcelo@conectiva.com.br>
Subject: Re: filesystem access slowing system to a crawl
Message-ID: <20030219174940.GJ14633@x30.suse.de>
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On Wed, Feb 19, 2003 at 05:42:34PM +0100, Marc-Christian Petersen wrote:
> On Wednesday 05 February 2003 10:39, Andrew Morton wrote:
> 
> Hi Andrew,
> 
> > > Running just "find /" (or ls -R or tar on a large directory) locally
> > > slows the box down to absolute unresponsiveness - it takes minutes
> > > to just run ps and kill the find process. During that time, kupdated
> > > and kswapd gobble up all available CPU time.
> > Could be that your "low memory" is filled up with inodes.  This would
> > only happen in these tests if you're using ext2, and there are a *lot*
> > of directories.
> > I've prepared a lineup of Andrea's VM patches at
> > It would be useful if you could apply 10_inode-highmem-2.patch and
> > report back.  It applies to 2.4.19 as well, and should work OK there.
> is there any reason why this (inode-highmem-2) has never been submitted for 
> inclusion into mainline yet?

Marcelo please include this:

	http://www.us.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.21pre4aa3/10_inode-highmem-2

other fixes should be included too but they don't apply cleanly yet
unfortunately, I (or somebody else) should rediff them against mainline.

Andrea
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