[mirror_ubuntu-bionic-kernel.git] / include / asm-ia64 / nodedata.h

/*
 * 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_NUMA

/*
 * 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_NUMA */

#endif /* _ASM_IA64_NODEDATA_H */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* This file is subject to the terms and conditions of the GNU General Public
	3	* License. See the file "COPYING" in the main directory of this archive
	4	* for more details.
	5	*
	6	* Copyright (c) 2000 Silicon Graphics, Inc. All rights reserved.
	7	* Copyright (c) 2002 NEC Corp.
	8	* Copyright (c) 2002 Erich Focht <efocht@ess.nec.de>
	9	* Copyright (c) 2002 Kimio Suganuma <k-suganuma@da.jp.nec.com>
	10	*/
	11	#ifndef _ASM_IA64_NODEDATA_H
	12	#define _ASM_IA64_NODEDATA_H
	13
	14	#include <linux/config.h>
	15	#include <linux/numa.h>
	16
	17	#include <asm/percpu.h>
	18	#include <asm/mmzone.h>
	19
1be7d993	20	#ifdef CONFIG_NUMA
1da177e4 LT	21
	22	/*
	23	* Node Data. One of these structures is located on each node of a NUMA system.
	24	*/
	25
	26	struct pglist_data;
	27	struct ia64_node_data {
	28	short active_cpu_count;
	29	short node;
	30	struct pglist_data *pg_data_ptrs[MAX_NUMNODES];
	31	};
	32
	33
	34	/*
	35	* Return a pointer to the node_data structure for the executing cpu.
	36	*/
	37	#define local_node_data (local_cpu_data->node_data)
	38
	39	/*
	40	* Given a node id, return a pointer to the pg_data_t for the node.
	41	*
	42	* NODE_DATA - should be used in all code not related to system
	43	* initialization. It uses pernode data structures to minimize
	44	* offnode memory references. However, these structure are not
	45	* present during boot. This macro can be used once cpu_init
	46	* completes.
	47	*/
	48	#define NODE_DATA(nid) (local_node_data->pg_data_ptrs[nid])
	49
1be7d993	50	#endif /* CONFIG_NUMA */
1da177e4 LT	51
1da177e4 LT	52	#endif /* _ASM_IA64_NODEDATA_H */