diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-11-20 00:40:19 -0500 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-11-20 00:40:19 -0500 |
commit | 1b15688b31d8c88881102426279e8cc03953860b (patch) | |
tree | a54f0d0ec7f3a1b59c7eeb733eb10a78565bee23 /include/asm-powerpc/mmzone.h | |
parent | 4b317d212cc23a1d635ca8329c802224178afddf (diff) | |
parent | 3bedff1d73b86e0cf52634efb447e9ada08f2cc6 (diff) |
Merge branch 'master'
Diffstat (limited to 'include/asm-powerpc/mmzone.h')
-rw-r--r-- | include/asm-powerpc/mmzone.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/asm-powerpc/mmzone.h b/include/asm-powerpc/mmzone.h new file mode 100644 index 000000000000..54958d6cae04 --- /dev/null +++ b/include/asm-powerpc/mmzone.h | |||
@@ -0,0 +1,50 @@ | |||
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_ | ||
9 | |||
10 | #include <linux/config.h> | ||
11 | |||
12 | /* | ||
13 | * generic non-linear memory support: | ||
14 | * | ||
15 | * 1) we will not split memory into more chunks than will fit into the | ||
16 | * flags field of the struct page | ||
17 | */ | ||
18 | |||
19 | #ifdef CONFIG_NEED_MULTIPLE_NODES | ||
20 | |||
21 | extern struct pglist_data *node_data[]; | ||
22 | /* | ||
23 | * Return a pointer to the node data for node n. | ||
24 | */ | ||
25 | #define NODE_DATA(nid) (node_data[nid]) | ||
26 | |||
27 | /* | ||
28 | * Following are specific to this numa platform. | ||
29 | */ | ||
30 | |||
31 | extern int numa_cpu_lookup_table[]; | ||
32 | extern cpumask_t numa_cpumask_lookup_table[]; | ||
33 | #ifdef CONFIG_MEMORY_HOTPLUG | ||
34 | extern unsigned long max_pfn; | ||
35 | #endif | ||
36 | |||
37 | /* | ||
38 | * Following are macros that each numa implmentation must define. | ||
39 | */ | ||
40 | |||
41 | #define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) | ||
42 | #define node_end_pfn(nid) (NODE_DATA(nid)->node_end_pfn) | ||
43 | |||
44 | #endif /* CONFIG_NEED_MULTIPLE_NODES */ | ||
45 | |||
46 | #ifdef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID | ||
47 | extern int __init early_pfn_to_nid(unsigned long pfn); | ||
48 | #endif | ||
49 | |||
50 | #endif /* _ASM_MMZONE_H_ */ | ||