1 files changed, 52 insertions, 0 deletions

diff --git a/include/asm-ia64/nodedata.h b/include/asm-ia64/nodedata.h
new file mode 100644
index 000000000000..6b0f3ed89b7e
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+++ b/include/asm-ia64/nodedata.h
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+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 2000 Silicon Graphics, Inc.  All rights reserved.
+ * Copyright (c) 2002 NEC Corp.
+ * Copyright (c) 2002 Erich Focht <efocht@ess.nec.de>
+ * Copyright (c) 2002 Kimio Suganuma <k-suganuma@da.jp.nec.com>
+ */
+#ifndef _ASM_IA64_NODEDATA_H
+#define _ASM_IA64_NODEDATA_H
+
+#include <linux/config.h>
+#include <linux/numa.h>
+
+#include <asm/percpu.h>
+#include <asm/mmzone.h>
+
+#ifdef CONFIG_DISCONTIGMEM
+
+/*
+ * Node Data. One of these structures is located on each node of a NUMA system.
+ */
+
+struct pglist_data;
+struct ia64_node_data {
+        short                   active_cpu_count;
+        short                   node;
+        struct pglist_data      *pg_data_ptrs[MAX_NUMNODES];
+};
+
+
+/*
+ * Return a pointer to the node_data structure for the executing cpu.
+ */
+#define local_node_data         (local_cpu_data->node_data)
+
+/*
+ * Given a node id, return a pointer to the pg_data_t for the node.
+ *
+ * NODE_DATA    - should be used in all code not related to system
+ *                initialization. It uses pernode data structures to minimize
+ *                offnode memory references. However, these structure are not 
+ *                present during boot. This macro can be used once cpu_init
+ *                completes.
+ */
+#define NODE_DATA(nid)          (local_node_data->pg_data_ptrs[nid])
+
+#endif /* CONFIG_DISCONTIGMEM */
+
+#endif /* _ASM_IA64_NODEDATA_H */