xref: /OK3568_Linux_fs/kernel/arch/ia64/include/asm/mmzone.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * This file is subject to the terms and conditions of the GNU General Public
3*4882a593Smuzhiyun  * License.  See the file "COPYING" in the main directory of this archive
4*4882a593Smuzhiyun  * for more details.
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * Copyright (c) 2000,2003 Silicon Graphics, Inc.  All rights reserved.
7*4882a593Smuzhiyun  * Copyright (c) 2002 NEC Corp.
8*4882a593Smuzhiyun  * Copyright (c) 2002 Erich Focht <efocht@ess.nec.de>
9*4882a593Smuzhiyun  * Copyright (c) 2002 Kimio Suganuma <k-suganuma@da.jp.nec.com>
10*4882a593Smuzhiyun  */
11*4882a593Smuzhiyun #ifndef _ASM_IA64_MMZONE_H
12*4882a593Smuzhiyun #define _ASM_IA64_MMZONE_H
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #include <linux/numa.h>
15*4882a593Smuzhiyun #include <asm/page.h>
16*4882a593Smuzhiyun #include <asm/meminit.h>
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun #ifdef CONFIG_NUMA
19*4882a593Smuzhiyun 
pfn_to_nid(unsigned long pfn)20*4882a593Smuzhiyun static inline int pfn_to_nid(unsigned long pfn)
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun 	extern int paddr_to_nid(unsigned long);
23*4882a593Smuzhiyun 	int nid = paddr_to_nid(pfn << PAGE_SHIFT);
24*4882a593Smuzhiyun 	if (nid < 0)
25*4882a593Smuzhiyun 		return 0;
26*4882a593Smuzhiyun 	else
27*4882a593Smuzhiyun 		return nid;
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun #define MAX_PHYSNODE_ID		2048
31*4882a593Smuzhiyun #endif /* CONFIG_NUMA */
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun #define NR_NODE_MEMBLKS		(MAX_NUMNODES * 4)
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun #endif /* _ASM_IA64_MMZONE_H */
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