summaryrefslogtreecommitdiffstats
path: root/kernel/include/acpi/acpi_numa.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/include/acpi/acpi_numa.h')
-rw-r--r--kernel/include/acpi/acpi_numa.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/kernel/include/acpi/acpi_numa.h b/kernel/include/acpi/acpi_numa.h
new file mode 100644
index 000000000..94a37cd7f
--- /dev/null
+++ b/kernel/include/acpi/acpi_numa.h
@@ -0,0 +1,20 @@
+#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 int acpi_map_pxm_to_node(int);
+extern unsigned char acpi_srat_revision;
+
+#endif /* CONFIG_ACPI_NUMA */
+#endif /* __ACP_NUMA_H */