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authorYasunori Goto <y-goto@jp.fujitsu.com>2006-06-23 02:03:19 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-23 07:42:48 -0700
commit762834e8bf46bf41ce9034d062a7c1f8563175f3 (patch)
treefb134ef41772ba61050a08cc4ed92c50cd057658 /include/acpi/acpi_numa.h
parentd6277db4ab271862ed599da08d78961c70f00002 (diff)
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[PATCH] Unify pxm_to_node() and node_to_pxm()
Consolidate the various arch-specific implementations of pxm_to_node() and node_to_pxm() into a single generic version. Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Andi Kleen <ak@muc.de> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: "Brown, Len" <len.brown@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/acpi/acpi_numa.h')
-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 0000000..1049f2a
--- /dev/null
+++ b/include/acpi/acpi_numa.h
@@ -0,0 +1,23 @@
+#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 __cpuinitdata pxm_to_node_map[MAX_PXM_DOMAINS];
+extern int __cpuinitdata node_to_pxm_map[MAX_NUMNODES];
+
+extern int __cpuinit pxm_to_node(int);
+extern int __cpuinit node_to_pxm(int);
+extern int __cpuinit acpi_map_pxm_to_node(int);
+extern void __cpuinit acpi_unmap_pxm_to_node(int);
+
+#endif /* CONFIG_ACPI_NUMA */
+#endif /* __ACP_NUMA_H */