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Date:      Thu, 5 Dec 2002 20:45:23 -0700 (MST)
From:      "Ronald G. Minnich" <rminnich@lanl.gov>
To:        David Schultz <dschultz@uclink.Berkeley.EDU>
Cc:        Gary Thorpe <gathorpe79@yahoo.com>, Terry Lambert <tlambert2@mindspring.com>, <freebsd-hackers@FreeBSD.ORG>
Subject:   Re: maxusers and random system freezes
Message-ID:  <Pine.LNX.4.44.0212052043360.12734-100000@carotid.ccs.lanl.gov>
In-Reply-To: <20021206024839.GA14624@HAL9000.homeunix.com>

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On Thu, 5 Dec 2002, David Schultz wrote:

> Linux used to do that, but AFAIK it doesn't anymore.  

Linux puts kvm at 0xc0000000, kernel at physical 0x100000, etc. There 
was a time when you could address all of physical memory just by 
direct-mapping the PTEs, since base of 0xc0000000 means KVM space 
of 0x40000000. 

Those days are gone.

ron



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