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authorJeff Garzik <jgarzik@pobox.com>2005-11-20 00:40:19 -0500
committerJeff Garzik <jgarzik@pobox.com>2005-11-20 00:40:19 -0500
commit1b15688b31d8c88881102426279e8cc03953860b (patch)
treea54f0d0ec7f3a1b59c7eeb733eb10a78565bee23 /include/asm-powerpc/mmzone.h
parent4b317d212cc23a1d635ca8329c802224178afddf (diff)
parent3bedff1d73b86e0cf52634efb447e9ada08f2cc6 (diff)
Merge branch 'master'
Diffstat (limited to 'include/asm-powerpc/mmzone.h')
-rw-r--r--include/asm-powerpc/mmzone.h50
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
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+++ 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
21extern 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
31extern int numa_cpu_lookup_table[];
32extern cpumask_t numa_cpumask_lookup_table[];
33#ifdef CONFIG_MEMORY_HOTPLUG
34extern 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
47extern int __init early_pfn_to_nid(unsigned long pfn);
48#endif
49
50#endif /* _ASM_MMZONE_H_ */