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Date: Wed, 11 Apr 2001 10:31:28 -0400
From: John Jasen <jjasen1@umbc.edu>
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To: Marcin Kowalski <kowalski@datrix.co.za>
cc: <hahn@coffee.psychology.mcmaster.ca>, <tomlins@cam.org>,
        <linux-kernel@vger.kernel.org>
Subject: Re: memory usage - continued - iCache/Dentry cacheing bug???
In-Reply-To: <0104111623060I.25951@webman>
Message-ID: <Pine.SGI.4.31L.02.0104111030180.3516411-100000@irix2.gl.umbc.edu>
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On Wed, 11 Apr 2001, Marcin Kowalski wrote:

> I then do a swapoff /dev/sda3 (250mb used), this completely locks the machine
> for 50 seconds and pushes the load to 31 when I can log back in. Then
> micraculously I am using only 170mb of physical ram. I turn swap back on and
> all is well....
> Can anyone please explain this odd behaviour.. ???
> Below is a free after this whole debacle..:::

another cute way of clearing memory is to do a:

dd if=/dev/hda of=/dev/null bs=<total memory> count=1


this will push some stuff into swap; but ...


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