1 #ifndef __ACPI_NUMA_H 2 #define __ACPI_NUMA_H 3 4 #ifdef CONFIG_ACPI_NUMA 5 #include <linux/kernel.h> 6 #include <linux/numa.h> 7 8 /* Proximity bitmap length */ 9 #if MAX_NUMNODES > 256 10 #define MAX_PXM_DOMAINS MAX_NUMNODES 11 #else 12 #define MAX_PXM_DOMAINS (256) /* Old pxm spec is defined 8 bit */ 13 #endif 14 15 extern int pxm_to_node(int); 16 extern int node_to_pxm(int); 17 extern int acpi_map_pxm_to_node(int); 18 extern unsigned char acpi_srat_revision; 19 extern int acpi_numa __initdata; 20 21 extern void bad_srat(void); 22 extern int srat_disabled(void); 23 24 #endif /* CONFIG_ACPI_NUMA */ 25 #endif /* __ACP_NUMA_H */ 26