Re: Marking a physical page as uncacheable

Manfred Spraul
2000-07-20T16:16:56Z

Timur Tabi wrote:
>
> ** Reply to message from Mark Mokryn <mark@sangate.com> on Thu, 20 Jul 2000
> 17:36:39 +0300
>
> > Try ioremap_nocache()
>
> That's just a front-end to __ioremap(). I'm trying to make REAL RAM as
> uncacheable, not PCI memory. ioremap() does not work on real RAM, only high
> addresses outside of physical memory.
>

You could use ClearPageReserved() + ioremap(), but ioremap() is limited
to the first 4 GB.

--
Manfred