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From: Mike Fedyk <mfedyk@matchmail.com>
To: Alex Buell <alex.buell@munted.org.uk>
Cc: Mailing List - Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: inode_cache / dentry_cache not being reclaimed aggressively enough  on low-memory PCs
Date: Sat, 3 Jan 2004 14:24:54 -0800	[thread overview]
Message-ID: <20040103222454.GJ1882@matchmail.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0401031823010.3488@slut.local.munted.org.uk>

On Sat, Jan 03, 2004 at 06:27:42PM +0000, Alex Buell wrote:
> On Sat, 3 Jan 2004, John Lash wrote:
> > A couple of solutions come to mind. The one I like best would be to
> > adjust the above code to make it conscious of the total memory in the
> > system and keep nr_unused to a reasonable percentage. Another is to
> > allow unused_ratio to be less than 1, Possibly some/proc entry to lower
> > it (.5, .25, whatever), or to avoid the float, provide another parameter
> > to do an integer divisor for unused_ratio. Something like:
> > 
> > 	nr_unused - nr_used * unused_ratio / ratio_fraction
> 
> That solution does seem be the best answer.

Be sure to run your changes by roger luetger.  He's working with the
problems with lowmem machines and 2.6.

  reply	other threads:[~2004-01-03 22:25 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-01-03 11:35 inode_cache / dentry_cache not being reclaimed aggressively enough on low-memory PCs Alex Buell
2004-01-03 16:30 ` John Lash
2004-01-03 18:27   ` Alex Buell
2004-01-03 22:24     ` Mike Fedyk [this message]
2004-01-03 22:55   ` Andrew Morton
2004-01-04  0:15     ` Alex Buell
2004-01-04  3:05       ` Andrew Morton
2004-01-04  7:23         ` Mike Fedyk
2004-01-05 17:32           ` Marcelo Tosatti
2004-01-05 18:47             ` Mike Fedyk
2004-01-09 20:49             ` Rik van Riel
2004-01-04  5:31     ` John Lash

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