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 int acpi_map_pxm_to_node(int); 17 extern unsigned char acpi_srat_revision; 18 19 #endif /* CONFIG_ACPI_NUMA */ 20 #endif /* __ACP_NUMA_H */ 21