#ifndef _ASM_X86_64_MMZONE_H
#define _ASM_X86_64_MMZONE_H 1
-#include <linux/config.h>
#ifdef CONFIG_NUMA
#ifdef CONFIG_DISCONTIGMEM
#define pfn_to_nid(pfn) phys_to_nid((unsigned long)(pfn) << PAGE_SHIFT)
-#define kvaddr_to_nid(kaddr) phys_to_nid(__pa(kaddr))
extern int pfn_valid(unsigned long pfn);
#endif