[RFC] [PATCH] vmemmap fixes to use smaller pages

[Geoff Levand]

Benjamin Herrenschmidt wrote:
> This patch changes vmemmap to use a different region (region 0xf) of the
> address space whose page size can be dynamically configured at boot.

This doesn't seem to cause any problems, and users successfully used it
with the ubuntu hardy kernel, so I think it is OK to proceed with it.

  https://bugs.launchpad.net/ubuntu-ps3-port/+bug/220524

-Geoff