projects / deliverable / linux.git / blame
| 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) 2000,2003 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 | ||
| 1be7d993 | 18 | #ifdef CONFIG_NUMA |
| e608a807 | 19 | |
| 400e6514 BP |
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 | ||
| 1be7d993 BP |
34 | #ifdef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID |
| 35 | extern int early_pfn_to_nid(unsigned long pfn); | |
| 36 | #endif | |
| 37 | ||
| 1da177e4 LT |
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 | ||
| 1be7d993 | 46 | #else /* CONFIG_NUMA */ |
| 1da177e4 | 47 | # define NR_NODE_MEMBLKS (MAX_NUMNODES * 4) |
| 1be7d993 | 48 | #endif /* CONFIG_NUMA */ |
| 1da177e4 LT |
49 | |
| 50 | #endif /* _ASM_IA64_MMZONE_H */ |