On Sat, 11 Nov 2000, Tigran Aivazian wrote:
> On Fri, 10 Nov 2000, H. Peter Anvin wrote:
> > >
> > > On x86 machines there is a size limitation on booting. Though I thought
> > > it was 1024K as the max, 900K should be fine.
> > >
> >
> > No, there isn't. There used to be, but it has been fixed.
> >
>
> Are you sure? I thought the fix was to build 2 page tables for 0-8M
> instead of 1 page table for 0-4M. So, we still cannot boot a bzImage more
> than 2.5M which roughly corresponds to 8M. Is this incorrect? Are you
> saying I should be able to boot a bzImage corresponding to an ELF object
> vmlinux of 4G or more?
>
> I tried it and it failed (a few weeks ago) so at least reasonably recently
> what you are saying was not true. I will now check if it suddenly became
> true now.
Just to clarify -- I always eat words on the first round -- of course I
know that there is no limit at 1M, that is obvious -- what I do _not_ know
if there is no limit at 2.5M -- this is non-obvious and requires proof.
Regards,
Tigran
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