Re: [PATCH 10/28] i386: map enough initial memory to create lowmem mappings

Eric W. Biederman
2007-04-23T19:42:08Z

Jeremy Fitzhardinge <jeremy@goop.org> writes:

> H. Peter Anvin wrote:
>> It would be *trivial* to make a certain number of page table slots
>> available at the end of the head.S-generated map.
>
> Or you could use a fixmap.

That certain number of page table slots should be the fixmap slots.
If you do that bt_ioremap works, we remove a boatload of special cases
and the code becomes simpler.

Eric