Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[deliverable/linux.git] / arch / powerpc / include / asm / mmzone.h
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 #ifdef __KERNEL__
10
11 #include <linux/cpumask.h>
12
13 /*
14 * generic non-linear memory support:
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
20 #ifdef CONFIG_NEED_MULTIPLE_NODES
21
22 extern struct pglist_data *node_data[];
23 /*
24 * Return a pointer to the node data for node n.
25 */
26 #define NODE_DATA(nid) (node_data[nid])
27
28 /*
29 * Following are specific to this numa platform.
30 */
31
32 extern int numa_cpu_lookup_table[];
33 extern cpumask_var_t node_to_cpumask_map[];
34 #ifdef CONFIG_MEMORY_HOTPLUG
35 extern unsigned long max_pfn;
36 u64 memory_hotplug_max(void);
37 #else
38 #define memory_hotplug_max() memblock_end_of_DRAM()
39 #endif
40
41 #else
42 #define memory_hotplug_max() memblock_end_of_DRAM()
43 #endif /* CONFIG_NEED_MULTIPLE_NODES */
44
45 #endif /* __KERNEL__ */
46 #endif /* _ASM_MMZONE_H_ */
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