Subject: Re: Old VAX notes from dmr.
To: Anders Magnusson <ragge@ludd.luth.se>
From: David Brownlee <abs@netbsd.org>
List: port-vax
Date: 01/01/2000 17:53:58
On Sat, 1 Jan 100, Anders Magnusson wrote:
> >
> > Would it make sense to allow '0' to mean 'scale according to RAM',
> > so a GENERIC kernel can make a reasonable guess.
> >
> Well, what's a "reasonable guess"? :-)
>
How about 2 + 1 per 4MB up to a maximum of 32?
(That was more of a "random guess" :)
> > Are there any plans to make the max VM space for a process
> > changeable? - on a 4MB machine I can imagine people setting
> > it to 128MB to save precious RAM on those tables :)
> >
> Do you mean for a specific process, or what? Right now, MAXDSIZ et al
> are used for calculating the page table size.
That would be the value of which I should have been thinking :)
David/absolute