Re: [PATCH 02/11] PCI: Try to allocate mem64 above 4G at first

Linus Torvalds
2012-05-23T15:58:08Z

On Tue, May 22, 2012 at 11:34 PM, Yinghai Lu <yinghai@kernel.org> wrote:
> and will fall back to below 4g if it can not find any above 4g.

Has this been tested on 32-bit machines without PAE? There might be
things that just happen to work because their allocations were always
done bottom-up.

Or do we have something else that protects us from the "oops, we can't
actually *map* those pages"?

Linus