#ifndef _X86_64_PAGE_H
#define _X86_64_PAGE_H
-#include <linux/config.h>
/* PAGE_SHIFT determines the page size */
#define PAGE_SHIFT 12
#define __boot_va(x) __va(x)
#define __boot_pa(x) __pa(x)
#ifdef CONFIG_FLATMEM
-#define pfn_to_page(pfn) (mem_map + (pfn))
-#define page_to_pfn(page) ((unsigned long)((page) - mem_map))
#define pfn_valid(pfn) ((pfn) < end_pfn)
#endif
#define __HAVE_ARCH_GATE_AREA 1
-#endif /* __KERNEL__ */
-
+#include <asm-generic/memory_model.h>
#include <asm-generic/page.h>
+#endif /* __KERNEL__ */
+
#endif /* _X86_64_PAGE_H */