This patch converts uses of remap_page_range() via io_remap_page_range() in
include/asm-*/ to use remap_pfn_range().  io_remap_page_range() has a similar
physical address overflow issue that needs to be addressed later.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>