From owner-freebsd-hackers  Thu Feb 15 13:52:44 1996
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To: Jerry Kendall <jerry@border.com>
cc: FreeBSD Hackers <freebsd-hackers@FreeBSD.ORG>
Subject: Re: Memory question... 
In-reply-to: Your message of "Thu, 15 Feb 1996 15:19:03 EST."
             <96Feb15.152101est.20495-2@janus.border.com> 
From: David Greenman <davidg@Root.COM>
Reply-To: davidg@Root.COM
Date: Thu, 15 Feb 1996 13:52:27 -0800
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>FreeBSD 2.1.0-RELEASE #0: Tue Feb 13 23:37:35 EST 1996
>    root@antares.kcis.com:/usr/src/sys/compile/ANTARES
>CPU: 75-MHz Pentium 735\\90 or 815\\100 (Pentium-class CPU)
>  Origin = "GenuineIntel"  Id = 0x525  Stepping=5
>  Features=0x1bf<FPU,VME,PSE,MCE,CX8,APIC>
>real memory  = 75497472 (73728K bytes)
>Physical memory hole(s):
>avail memory = 69865472 (68228K bytes)
>
>
>I got my system to 'see' the 72Meg that is in it. However,
>what is this 'Physical memory hole(s):' line and is the
>5.5Meg difference due to kernel buffers and stuff ???

   That's a bug, actually. It happens whenever the system finds that it has to
reduce the amount specified with MAXMEM to cope with reality - which is some
amount less.

-DG

David Greenman
Core Team/Principal Architect, The FreeBSD Project