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Date:      Wed, 04 Jun 1997 17:45:31 +1000
From:      Stephen McKay <syssgm@dtir.qld.gov.au>
To:        Pat Bozeman <peb@george.lbl.gov>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: Virtual address question for VM guru's 
Message-ID:  <199706040745.RAA16094@ogre.dtir.qld.gov.au>
In-Reply-To: <Pine.SOL.3.95.970603211241.23254C-100000@george.lbl.gov> from Pat Bozeman at "Wed, 04 Jun 1997 04:36:38 %2B0000"
References:  <Pine.SOL.3.95.970603211241.23254C-100000@george.lbl.gov>

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On Wednesday, 4th June 1997, Pat Bozeman wrote:

>What I would like to do is map specific process address ranges into the
>kernel's virtual address space and then keep track of the new kernel
>virtual address which should point to the correct physical address
>regardless of which process is active.

Have a look at /sys/kern/sys_pipe.c for some hints.  I think you should
be able to do what you want using the same techniques.  Buyer beware,
of course!  I've never done this myself.

Stephen.



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