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Diffstat (limited to 'arch/ia64/include/asm/mmzone.h')
-rw-r--r-- | arch/ia64/include/asm/mmzone.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/mmzone.h b/arch/ia64/include/asm/mmzone.h new file mode 100644 index 000000000000..34efe88eb849 --- /dev/null +++ b/arch/ia64/include/asm/mmzone.h | |||
@@ -0,0 +1,50 @@ | |||
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 | #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 | |||
34 | #ifdef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID | ||
35 | extern int early_pfn_to_nid(unsigned long pfn); | ||
36 | #endif | ||
37 | |||
38 | #ifdef CONFIG_IA64_DIG /* DIG systems are small */ | ||
39 | # define MAX_PHYSNODE_ID 8 | ||
40 | # define NR_NODE_MEMBLKS (MAX_NUMNODES * 8) | ||
41 | #else /* sn2 is the biggest case, so we use that if !DIG */ | ||
42 | # define MAX_PHYSNODE_ID 2048 | ||
43 | # define NR_NODE_MEMBLKS (MAX_NUMNODES * 4) | ||
44 | #endif | ||
45 | |||
46 | #else /* CONFIG_NUMA */ | ||
47 | # define NR_NODE_MEMBLKS (MAX_NUMNODES * 4) | ||
48 | #endif /* CONFIG_NUMA */ | ||
49 | |||
50 | #endif /* _ASM_IA64_MMZONE_H */ | ||