xref: /openbmc/linux/arch/ia64/include/asm/mmzone.h (revision fbb6b31a)
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) 2000,2003 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 
18 #ifdef CONFIG_NUMA
19 
20 static inline int pfn_to_nid(unsigned long pfn)
21 {
22 	extern int paddr_to_nid(unsigned long);
23 	int nid = paddr_to_nid(pfn << PAGE_SHIFT);
24 	if (nid < 0)
25 		return 0;
26 	else
27 		return nid;
28 }
29 
30 #define MAX_PHYSNODE_ID		2048
31 #endif /* CONFIG_NUMA */
32 
33 #define NR_NODE_MEMBLKS		(MAX_NUMNODES * 4)
34 
35 #endif /* _ASM_IA64_MMZONE_H */
36