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Date: Fri, 1 Dec 1995 22:03:57 -0800
From: "Steven M. Schultz" <sms@wlv.iipo.gtegsc.com>
Message-Id: <199512020603.WAA18663@wlv.iipo.gtegsc.com>
To: oldunix@minnie.cs.adfa.oz.au, wkt@dolphin.cs.adfa.oz.au
Subject: Re: Compiling 2.11 - also 2.9BSD

Hello -

> From: wkt@dolphin.cs.adfa.oz.au (Warren Toomey)
> 
> In article by Steven M. Schultz:
> > 	Kernels are a special case of overlaid program (user mode programs
> > 	may be overlaid too but have less restrictive size rules).  The
> > 	BASE segment (non-overlaid portion)  may be up to 56kb (57344) bytes
> > 	in size.  Each of the 15 (maximum) overlays (OV1 thru OV15) may be
> 
> Firstly, thanks to Steven for a great email. Yes, add it to the docs NOW
> before you forget! Secondly, most of what Steven said also applies to
> 2.9BSD, because it also uses overlays. However, v6 and v7 do not use

	You're quite welcome.

	I should have had another sentence in the paragraph above:  the
	kernel overlays must be between 48kb and 56kb.  56 is the max,
	but the kernel also has a minimum BASE size of 48kb (but this is
	all too easy to achieve ;-)).

	Steven Schultz
	sms@wlv.iipo.gtegsc.com