Date: Tue, 07 Jul 1998 01:16:55 -0700 From: Amancio Hasty <hasty@rah.star-gate.com> To: Andrzej Bialecki <abial@nask.pl> Cc: Dusk Auriel Sykotik <syko@sykotik.org>, freebsd-current@FreeBSD.ORG Subject: Re: FreeBSD in less than 4MB RAM Message-ID: <199807070816.BAA01682@rah.star-gate.com> In-Reply-To: Your message of "Tue, 07 Jul 1998 10:15:14 %2B0200." <Pine.NEB.3.95.980707101327.20507D-100000@korin.warman.org.pl>
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Now, where is all the memory being allocated:
1. kernel
2. small process 1
3. small process 2
4. xxxx any other daemons that you have running
Also have you trimmed down the kernel?
Cheers,
Amancio
> On Tue, 7 Jul 1998, Amancio Hasty wrote:
>
> >
> > > > >
> > > > > First issue is: what would it take to squeeze any useful combination of
> > > > > kernel, init plus two-three (small) user programs in 4MB? Which
> > > >
> > > > You don't want to run any inetd processes? As well as other such things
> > > > which use memory.
> > >
> >
> > I would start by first knowing how much memory is needed to run
> > a kernel, init plus two or three (small) user programs with the
> > current system.
>
> Not much - my experiments show it's somewhere around 6MB (if you start 2-3
> different programs, so that they can't share their pages).
>
> Andrzej Bialecki
>
> --------------------+---------------------------------------------------------
> abial@nask.pl | if(halt_per_mth > 0) { fetch("http://www.freebsd.org") }
> Research & Academic | "Be open-minded, but don't let your brains to fall out."
> Network in Poland | All of the above (and more) is just my personal opinion.
> --------------------+---------------------------------------------------------
>
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