#ifndef __ASSEMBLY__
-#define __pa(vaddr) virt_to_phys((void *)vaddr)
+#define __pa(vaddr) virt_to_phys(vaddr)
#define __va(paddr) phys_to_virt((unsigned long)paddr)
#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
#define virt_to_page(addr) (mem_map + (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT))
#define virt_to_page(addr) (mem_map + (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT))
#define page_to_virt(page) ((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET)
-#define VALID_PAGE(page) ((page - mem_map) < max_mapnr)
+#define pfn_valid(page) (page < max_mapnr)
#define pfn_to_page(pfn) virt_to_page(pfn_to_virt(pfn))
#define page_to_pfn(page) virt_to_pfn(page_to_virt(page))