Subject: Re: New FOURMEG kernel
To: Ben Harris <bjh21@netbsd.org>
From: David Brownlee <abs@netbsd.org>
List: port-arm26
Date: 07/19/2000 20:52:15
On Wed, 19 Jul 2000, Ben Harris wrote:
> On Wed, 19 Jul 2000, David Brownlee wrote:
>
> > I just saw a posting to the handhelds list asking about reducing the
> > size of the linux kernel. Whiloe not directly applicable, I wondered
> > if some of the concepts might be useful for NetBSD - reducing hash
> > tables and suchlike.
>
> Hmm. I wonder if reducing MAXUSERS has useful effects on run-time memory
> consumption. I'll try it for the next FOURMEG kernel.
>
Its used in to size NPROC in sys/param.h which then affects a
couple of things in sys/param.h and conf/param.h. It has some
sane minumum you might want to override :)
> > It might be useful to have a set of kernel options that provide
> > the ability to be smaller at the expense of performance or
> > even features.
>
> I've been thinking that too. I shall probably make a list of how big
> everything is to satisfy my own curiosity.
Its possible the hpcmips and vax people (to name to obvious
groups :) might be particularly interested in this sort of
thing as well...
David/absolute
-- www.netbsd.org: A pmap for every occasion --