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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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) 2000,2003 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_MMZONE_H
12#define _ASM_IA64_MMZONE_H
13
14#include <linux/numa.h>
15#include <asm/page.h>
16#include <asm/meminit.h>
17
Bob Picco1be7d992005-10-04 15:13:50 -040018#ifdef CONFIG_NUMA
David Mosberger-Tange608a802005-06-22 22:24:00 -070019
Bob Picco400e6512005-06-21 17:15:05 -070020static inline int pfn_to_nid(unsigned long pfn)
21{
22#ifdef CONFIG_NUMA
23 extern int paddr_to_nid(unsigned long);
24 int nid = paddr_to_nid(pfn << PAGE_SHIFT);
25 if (nid < 0)
26 return 0;
27 else
28 return nid;
29#else
30 return 0;
31#endif
32}
33
Linus Torvalds1da177e2005-04-16 15:20:36 -070034#ifdef CONFIG_IA64_DIG /* DIG systems are small */
35# define MAX_PHYSNODE_ID 8
36# define NR_NODE_MEMBLKS (MAX_NUMNODES * 8)
37#else /* sn2 is the biggest case, so we use that if !DIG */
38# define MAX_PHYSNODE_ID 2048
39# define NR_NODE_MEMBLKS (MAX_NUMNODES * 4)
40#endif
41
Bob Picco1be7d992005-10-04 15:13:50 -040042#else /* CONFIG_NUMA */
Linus Torvalds1da177e2005-04-16 15:20:36 -070043# define NR_NODE_MEMBLKS (MAX_NUMNODES * 4)
Bob Picco1be7d992005-10-04 15:13:50 -040044#endif /* CONFIG_NUMA */
Linus Torvalds1da177e2005-04-16 15:20:36 -070045
46#endif /* _ASM_IA64_MMZONE_H */