[POWERPC] pasemi: Add flag management functions to dma_lib
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / asm-powerpc / mmzone.h
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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
1da177e4 11
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12/*
13 * generic non-linear memory support:
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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
145e6642 19#ifdef CONFIG_NEED_MULTIPLE_NODES
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20
21extern struct pglist_data *node_data[];
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22/*
23 * Return a pointer to the node data for node n.
24 */
25#define NODE_DATA(nid) (node_data[nid])
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26
27/*
28 * Following are specific to this numa platform.
29 */
30
31extern int numa_cpu_lookup_table[];
1da177e4 32extern cpumask_t numa_cpumask_lookup_table[];
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33#ifdef CONFIG_MEMORY_HOTPLUG
34extern unsigned long max_pfn;
35#endif
1da177e4 36
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37/*
38 * Following are macros that each numa implmentation must define.
39 */
40
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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
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44#endif /* CONFIG_NEED_MULTIPLE_NODES */
45
88ced031 46#endif /* __KERNEL__ */
1da177e4 47#endif /* _ASM_MMZONE_H_ */