Re: sparsemem & sparsemem extreme question

Dave Hansen
2005-10-05T22:06:45Z

On Wed, 2005-10-05 at 20:04 +0200, Heiko Carstens wrote:
> As already mentioned, we will have physical memory with the MSB set. Afaik
> the hardware uses this bit to distinguish between different types of memory.
> So we are going to have the full 64 bit address space.

Is it just the MSB? If so, we can probably just shift it down to some
reasonable address. The only issue comes if you really have the whole
address space used in some random way.

-- Dave