Subject: Re: how can kernel space expand to >1GB?
To: der Mouse <mouse@Rodents.Montreal.QC.CA>
From: Bryan P <>
List: tech-kern
Date: 07/31/2003 17:24:25
On the distinguished day of Jul 31, der Mouse wrote:

> [quoting order normalized -dM]
> >>> netbsd does have an config option to split kernel/user space to 1G/3G
> >>> as linux does.  This option exists for every platform.
> >> That sounds..doubtful, at least.  For example, on the VAX, the
> >> architecture simply does not permit more than 2G of per-process VM.
> > sorry, I mean for the modern 32-bit processors.
> Indeed.  And the VAX is not modern, then?
> What about the Alpha, what's the option there?  Or is that not modern
> either?

NetBSD (and Linux, and ...) is LP64 on the Alpha (64-bit).  So it is both
modern, non 32-bit, and pretty much free from the need for such dirty
hacks to begin with. :-)