#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
-#ifndef CONFIG_SPARSEMEM
#ifndef CONFIG_NEED_MULTIPLE_NODES
+#define pfn_to_page(pfn) (mem_map + (pfn))
+#define page_to_pfn(page) ((unsigned long)((page) - mem_map))
#define pfn_valid(pfn) ((pfn) < max_mapnr)
#endif
-#endif
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
#define WANT_PAGE_VIRTUAL
#endif
-#include <asm-generic/memory_model.h>
#include <asm-generic/page.h>
-#define devmem_is_allowed(x) 1
-
#endif /* _ASM_PAGE_H */