From 762834e8bf46bf41ce9034d062a7c1f8563175f3 Mon Sep 17 00:00:00 2001
From: Yasunori Goto <y-goto@jp.fujitsu.com>
Date: Fri, 23 Jun 2006 02:03:19 -0700
Subject: [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>
---
 include/acpi/acpi_numa.h  | 23 +++++++++++++++++++++++
 include/asm-x86_64/numa.h |  1 -
 include/linux/acpi.h      |  9 +++++++++
 3 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 include/acpi/acpi_numa.h

(limited to 'include')

diff --git a/include/acpi/acpi_numa.h b/include/acpi/acpi_numa.h
new file mode 100644
index 00000000000..1049f2a0a6d
--- /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 */
diff --git a/include/asm-x86_64/numa.h b/include/asm-x86_64/numa.h
index 1cc92fe0250..933ff11ece1 100644
--- a/include/asm-x86_64/numa.h
+++ b/include/asm-x86_64/numa.h
@@ -8,7 +8,6 @@ struct bootnode {
 };
 
 extern int compute_hash_shift(struct bootnode *nodes, int numnodes);
-extern int pxm_to_node(int nid);
 
 #define ZONE_ALIGN (1UL << (MAX_ORDER+PAGE_SHIFT))
 
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 1cf0b91d05b..90d6df1551e 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -37,6 +37,7 @@
 #include <acpi/acpi.h>
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
+#include <acpi/acpi_numa.h>
 #include <asm/acpi.h>
 
 
@@ -407,10 +408,18 @@ void acpi_table_print_madt_entry (acpi_table_entry_header *madt);
 void acpi_table_print_srat_entry (acpi_table_entry_header *srat);
 
 /* the following four functions are architecture-dependent */
+#ifdef CONFIG_HAVE_ARCH_PARSE_SRAT
+#define NR_NODE_MEMBLKS MAX_NUMNODES
+#define acpi_numa_slit_init(slit) do {} while (0)
+#define acpi_numa_processor_affinity_init(pa) do {} while (0)
+#define acpi_numa_memory_affinity_init(ma) do {} while (0)
+#define acpi_numa_arch_fixup() do {} while (0)
+#else
 void acpi_numa_slit_init (struct acpi_table_slit *slit);
 void acpi_numa_processor_affinity_init (struct acpi_table_processor_affinity *pa);
 void acpi_numa_memory_affinity_init (struct acpi_table_memory_affinity *ma);
 void acpi_numa_arch_fixup(void);
+#endif
 
 #ifdef CONFIG_ACPI_HOTPLUG_CPU
 /* Arch dependent functions for cpu hotplug support */
-- 
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