Subject: Re: I can run that OS in *one* megabyte...
To: nm <nmanisca@vt.edu>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: port-alpha
Date: 08/04/1998 14:58:59
On Tue, 04 Aug 1998 18:07:28 -0400 
 nm <nmanisca@vt.edu> wrote:

 > This machine has 67108864 bytes of real memory so where did the 16113664
 > bytes go?
 > 
 > I assume that the kernel is using this much memory?

Some of it is buffer cache (spelled out in kernel messages), some of it
is overhead of kernel page tables needed to map the various pieces of
kernel address space.

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