2005-04-17 05:20:36 +07:00
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/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (c) 2000 Silicon Graphics, Inc. All rights reserved.
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* Copyright (c) 2002 NEC Corp.
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* Copyright (c) 2002 Erich Focht <efocht@ess.nec.de>
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* Copyright (c) 2002 Kimio Suganuma <k-suganuma@da.jp.nec.com>
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*/
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#ifndef _ASM_IA64_NODEDATA_H
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#define _ASM_IA64_NODEDATA_H
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#include <linux/config.h>
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#include <linux/numa.h>
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#include <asm/percpu.h>
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#include <asm/mmzone.h>
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2005-10-05 02:13:50 +07:00
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#ifdef CONFIG_NUMA
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2005-04-17 05:20:36 +07:00
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/*
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* Node Data. One of these structures is located on each node of a NUMA system.
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*/
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struct pglist_data;
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struct ia64_node_data {
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short active_cpu_count;
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short node;
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struct pglist_data *pg_data_ptrs[MAX_NUMNODES];
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};
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/*
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* Return a pointer to the node_data structure for the executing cpu.
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*/
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#define local_node_data (local_cpu_data->node_data)
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/*
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* Given a node id, return a pointer to the pg_data_t for the node.
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*
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* NODE_DATA - should be used in all code not related to system
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* initialization. It uses pernode data structures to minimize
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* offnode memory references. However, these structure are not
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* present during boot. This macro can be used once cpu_init
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* completes.
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*/
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#define NODE_DATA(nid) (local_node_data->pg_data_ptrs[nid])
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2005-10-05 02:13:50 +07:00
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#endif /* CONFIG_NUMA */
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2005-04-17 05:20:36 +07:00
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#endif /* _ASM_IA64_NODEDATA_H */
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