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Date: Wed, 25 May 2005 09:17:06 -0400
From: David Bruce <dbruce@ll.mit.edu>
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Subject: Re: Newbie question about accessing memory in kernel space
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I was going down the same path as you are a year ago and had similar 
issues. This book covers up to 2.4 but will probably answer future 
issues you encounter:
http://www.xml.com/ldd/chapter/book/
The code in book:
http://examples.oreilly.com/linuxdrive2/