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Date:      Thu, 14 Jan 1999 15:23:20 -0800
From:      Jason Thorpe <thorpej@nas.nasa.gov>
To:        "John S. Dyson" <dyson@dyson.iquest.net>
Cc:        dillon@apollo.backplane.com (Matthew Dillon), root@dyson.iquest.net, dg@root.com, jkh@FreeBSD.ORG, hackers@FreeBSD.ORG
Subject:   Re: Review and report of linux kernel VM 
Message-ID:  <199901142323.PAA07241@lestat.nas.nasa.gov>

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On Thu, 14 Jan 1999 17:57:57 -0500 (EST) 
 "John S. Dyson" <dyson@dyson.iquest.net> wrote:

 > implementations, but also adds overhead.  It would be "nice" to be able
 > for the upper level VM code to simply modify page table entries sometimes,
 > wouldn't it?  One thing that I did in the FreeBSD code was to minimize the

It would?  What if your architecture doesn't use page tables, in the
traditional sense?  (There are at least a couple modern RISC architectures
for which this is the case...)

Jason R. Thorpe                                       thorpej@nas.nasa.gov
NASA Ames Research Center                            Home: +1 408 866 1912
NAS: M/S 258-5                                       Work: +1 650 604 0935
Moffett Field, CA 94035                             Pager: +1 650 940 5942

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