1 #ifndef __ACPI_NUMA_H
2 #define __ACPI_NUMA_H
3 
4 #ifdef CONFIG_ACPI_NUMA
5 #include <linux/kernel.h>
6 
7 /* Proximity bitmap length */
8 #if MAX_NUMNODES > 256
9 #define MAX_PXM_DOMAINS MAX_NUMNODES
10 #else
11 #define MAX_PXM_DOMAINS (256)	/* Old pxm spec is defined 8 bit */
12 #endif
13 
14 extern int pxm_to_node(int);
15 extern int node_to_pxm(int);
16 extern void __acpi_map_pxm_to_node(int, int);
17 extern int acpi_map_pxm_to_node(int);
18 extern unsigned char acpi_srat_revision;
19 
20 #endif				/* CONFIG_ACPI_NUMA */
21 #endif				/* __ACP_NUMA_H */
22