acpi_numa.h
#ifndef __ACPI_NUMA_H
#define __ACPI_NUMA_H
#ifdef CONFIG_ACPI_NUMA
#include <linux/kernel.h>
/* Proximity bitmap length */
#if MAX_NUMNODES > 256
#define MAX_PXM_DOMAINS MAX_NUMNODES
#else
#define MAX_PXM_DOMAINS (256) /* Old pxm spec is defined 8 bit */
#endif
extern int pxm_to_node(int);
extern int node_to_pxm(int);
extern void __acpi_map_pxm_to_node(int, int);
extern int acpi_map_pxm_to_node(int);
#endif /* CONFIG_ACPI_NUMA */
#endif /* __ACP_NUMA_H */