_PAGE_IOREMAP
__pgprot((_PAGE_IOREMAP & ~_CACHE_MASK) | _CACHE_UNCACHED))
ioremap_prot((addr), (size), __pgprot(_PAGE_IOREMAP))
#define PAGE_KERNEL_IO __pgprot(_PAGE_IOREMAP)
return ioremap_prot(addr, size, __pgprot(_PAGE_IOREMAP));