Re: Marking a physical page as uncacheable

Timur Tabi
2000-07-20T19:47:44Z

** Reply to message from Manfred Spraul <manfred@colorfullife.com> on Thu, 20
Jul 2000 18:16:56 +0200

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

Is there an ioUNremap()? I need to perform tests on the memory region with the
cache disabled. If the tests don't reveal what I'm looking for, then I need to
unallocate the block.