Limiting Memory at boot time

[Lowell Gilbert]

Rus Foster <rghf at fsck.me.uk> writes:

> I've got a machine with 1 GB of ram but would like to temporarily limit it
> to 512Mb. Is there anyway I can do this from the boot loader or will I
> have to remove the RAM physically?

You should be able to just set hw.physmem from the loader, I think.
That's equivalent to setting MAXMEM in the kernel configuration.