Re: can device drivers return non-ram via vm_ops->nopage?

[Andrea Arcangeli]

On Sat, Mar 20, 2004 at 06:48:57PM +0100, Andrea Arcangeli wrote:
> be needed to hide the bug). This untested patch should make it working
> with non-ram too, so it sounds safer for the short term. I will test it

btw, that works only if NUMA is disabled. there's no way to do
page_to_pfn with a non-ram page with numa enabled since page_zone starts
by reading page->flags, only pte_pfn works (as I found from Martin's
oops).
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/