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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Eric W. Biederman wrote:
Jeremy Fitzhardinge <[email protected]> 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.

It's probably worth noting that several of the non-PC ports already do exactly this, although in a hacky way. Grep for pg0 and you'll find it.

	-hpa
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux