Re: Using >1GB RAM

Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 14 Jan 1998 00:29:16 +0000 (GMT)


> I've only heard of 1 GB machines before. AFAIK, such machines can't
> quite use all of the memory. PCI cards and vmalloc() mappings need
> to go somewhere. Linus Torvalds once mentioned 768 MB as a practical
> limit.

980 seems to work fine.

> >> 00000000 to 7fffffff user address space
> >> 80000000 to ffffffff kernel address space
> >
> > Good temporary hack...

And what NT has switched too