aboutsummaryrefslogtreecommitdiffstats
path: root/include/acpi
diff options
context:
space:
mode:
Diffstat (limited to 'include/acpi')
-rw-r--r--include/acpi/acpi_numa.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/acpi/acpi_numa.h b/include/acpi/acpi_numa.h
new file mode 100644
index 000000000000..1049f2a0a6db
--- /dev/null
+++ b/include/acpi/acpi_numa.h
@@ -0,0 +1,23 @@
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
14extern int __cpuinitdata pxm_to_node_map[MAX_PXM_DOMAINS];
15extern int __cpuinitdata node_to_pxm_map[MAX_NUMNODES];
16
17extern int __cpuinit pxm_to_node(int);
18extern int __cpuinit node_to_pxm(int);
19extern int __cpuinit acpi_map_pxm_to_node(int);
20extern void __cpuinit acpi_unmap_pxm_to_node(int);
21
22#endif /* CONFIG_ACPI_NUMA */
23#endif /* __ACP_NUMA_H */