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Date:      Thu, 18 Mar 1999 02:48:23 +0900
From:      "Daniel C. Sobral" <dcs@newsguy.com>
To:        "Jordan K. Hubbard" <jkh@zippy.cdrom.com>
Cc:        "Mark J. Taylor" <mtaylor@cybernet.com>, Sheldon Hearn <sheldonh@iafrica.com>, hackers@FreeBSD.org
Subject:   Re: Proposal: Define MAXMEM in GENERIC
Message-ID:  <36EFEAE7.5028D72F@newsguy.com>
References:  <12196.921649234@zippy.cdrom.com>

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"Jordan K. Hubbard" wrote:
> 
> > For our NetMAX product (shameless plug: http://www.netmax.com/),
> > which is 2.2.7+ based (we're working on a 3.1 version), we've
> > added two additional boot options:
> >   1)  -M   always perform speculative memory probe
> >   2)  -m   never perform speculative memory probe
> 
> Now there's an idea, though I'd go a little further: Why not add a new
> variable to the 3-stage loader so you could simply say:
> 
> boot> set maxmem=64M
> boot> load /kernel
> boot> boot
> (etc)
> 
> To set the memory size to some exact value (which you might know
> better than the probe).  This strikes me as far more general and easy
> to understand as well.

The speculative memory probe flags is still a good idea. And the
default should be the VM86 stuff (if it is compiled in).

--
Daniel C. Sobral			(8-DCS)
dcs@newsguy.com
dcs@freebsd.org

	"What happened?"
	"It moved, sir!"




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