projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99 | |
| 3 | * | |
| 4 | * PowerPC64 port: | |
| 5 | * Copyright (C) 2002 Anton Blanchard, IBM Corp. | |
| 6 | */ | |
| 7 | #ifndef _ASM_MMZONE_H_ | |
| 8 | #define _ASM_MMZONE_H_ | |
| 88ced031 | 9 | #ifdef __KERNEL__ |
| 1da177e4 | 10 | |
| 17ad6ea6 | 11 | #include <linux/cpumask.h> |
| 1da177e4 | 12 | |
| 45fb6cea AB |
13 | /* |
| 14 | * generic non-linear memory support: | |
| 145e6642 AW |
15 | * |
| 16 | * 1) we will not split memory into more chunks than will fit into the | |
| 17 | * flags field of the struct page | |
| 18 | */ | |
| 19 | ||
| 145e6642 | 20 | #ifdef CONFIG_NEED_MULTIPLE_NODES |
| 1da177e4 LT |
21 | |
| 22 | extern struct pglist_data *node_data[]; | |
| 145e6642 AW |
23 | /* |
| 24 | * Return a pointer to the node data for node n. | |
| 25 | */ | |
| 26 | #define NODE_DATA(nid) (node_data[nid]) | |
| 1da177e4 LT |
27 | |
| 28 | /* | |
| 29 | * Following are specific to this numa platform. | |
| 30 | */ | |
| 31 | ||
| 32 | extern int numa_cpu_lookup_table[]; | |
| 1da177e4 | 33 | extern cpumask_t numa_cpumask_lookup_table[]; |
| 82dd26a9 MK |
34 | #ifdef CONFIG_MEMORY_HOTPLUG |
| 35 | extern unsigned long max_pfn; | |
| 36 | #endif | |
| 1da177e4 | 37 | |
| 1da177e4 LT |
38 | /* |
| 39 | * Following are macros that each numa implmentation must define. | |
| 40 | */ | |
| 41 | ||
| 1da177e4 LT |
42 | #define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) |
| 43 | #define node_end_pfn(nid) (NODE_DATA(nid)->node_end_pfn) | |
| 44 | ||
| 145e6642 AW |
45 | #endif /* CONFIG_NEED_MULTIPLE_NODES */ |
| 46 | ||
| 88ced031 | 47 | #endif /* __KERNEL__ */ |
| 1da177e4 | 48 | #endif /* _ASM_MMZONE_H_ */ |