diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 05:20:03 -0400 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 05:20:03 -0400 |
commit | 96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 (patch) | |
tree | d947a467aa2da3140279617bc4b9b101640d7bf4 /include/asm-x86/mmzone_32.h | |
parent | 27bd0c955648646abf2a353a8371d28c37bcd982 (diff) |
i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the
header install make rules
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/mmzone_32.h')
-rw-r--r-- | include/asm-x86/mmzone_32.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/include/asm-x86/mmzone_32.h b/include/asm-x86/mmzone_32.h new file mode 100644 index 000000000000..118e9812778f --- /dev/null +++ b/include/asm-x86/mmzone_32.h | |||
@@ -0,0 +1,145 @@ | |||
1 | /* | ||
2 | * Written by Pat Gaughen (gone@us.ibm.com) Mar 2002 | ||
3 | * | ||
4 | */ | ||
5 | |||
6 | #ifndef _ASM_MMZONE_H_ | ||
7 | #define _ASM_MMZONE_H_ | ||
8 | |||
9 | #include <asm/smp.h> | ||
10 | |||
11 | #ifdef CONFIG_NUMA | ||
12 | extern struct pglist_data *node_data[]; | ||
13 | #define NODE_DATA(nid) (node_data[nid]) | ||
14 | |||
15 | #ifdef CONFIG_X86_NUMAQ | ||
16 | #include <asm/numaq.h> | ||
17 | #elif defined(CONFIG_ACPI_SRAT)/* summit or generic arch */ | ||
18 | #include <asm/srat.h> | ||
19 | #endif | ||
20 | |||
21 | extern int get_memcfg_numa_flat(void ); | ||
22 | /* | ||
23 | * This allows any one NUMA architecture to be compiled | ||
24 | * for, and still fall back to the flat function if it | ||
25 | * fails. | ||
26 | */ | ||
27 | static inline void get_memcfg_numa(void) | ||
28 | { | ||
29 | #ifdef CONFIG_X86_NUMAQ | ||
30 | if (get_memcfg_numaq()) | ||
31 | return; | ||
32 | #elif defined(CONFIG_ACPI_SRAT) | ||
33 | if (get_memcfg_from_srat()) | ||
34 | return; | ||
35 | #endif | ||
36 | |||
37 | get_memcfg_numa_flat(); | ||
38 | } | ||
39 | |||
40 | extern int early_pfn_to_nid(unsigned long pfn); | ||
41 | extern void numa_kva_reserve(void); | ||
42 | |||
43 | #else /* !CONFIG_NUMA */ | ||
44 | |||
45 | #define get_memcfg_numa get_memcfg_numa_flat | ||
46 | #define get_zholes_size(n) (0) | ||
47 | |||
48 | static inline void numa_kva_reserve(void) | ||
49 | { | ||
50 | } | ||
51 | #endif /* CONFIG_NUMA */ | ||
52 | |||
53 | #ifdef CONFIG_DISCONTIGMEM | ||
54 | |||
55 | /* | ||
56 | * generic node memory support, the following assumptions apply: | ||
57 | * | ||
58 | * 1) memory comes in 256Mb contigious chunks which are either present or not | ||
59 | * 2) we will not have more than 64Gb in total | ||
60 | * | ||
61 | * for now assume that 64Gb is max amount of RAM for whole system | ||
62 | * 64Gb / 4096bytes/page = 16777216 pages | ||
63 | */ | ||
64 | #define MAX_NR_PAGES 16777216 | ||
65 | #define MAX_ELEMENTS 256 | ||
66 | #define PAGES_PER_ELEMENT (MAX_NR_PAGES/MAX_ELEMENTS) | ||
67 | |||
68 | extern s8 physnode_map[]; | ||
69 | |||
70 | static inline int pfn_to_nid(unsigned long pfn) | ||
71 | { | ||
72 | #ifdef CONFIG_NUMA | ||
73 | return((int) physnode_map[(pfn) / PAGES_PER_ELEMENT]); | ||
74 | #else | ||
75 | return 0; | ||
76 | #endif | ||
77 | } | ||
78 | |||
79 | /* | ||
80 | * Following are macros that each numa implmentation must define. | ||
81 | */ | ||
82 | |||
83 | #define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) | ||
84 | #define node_end_pfn(nid) \ | ||
85 | ({ \ | ||
86 | pg_data_t *__pgdat = NODE_DATA(nid); \ | ||
87 | __pgdat->node_start_pfn + __pgdat->node_spanned_pages; \ | ||
88 | }) | ||
89 | |||
90 | /* XXX: FIXME -- wli */ | ||
91 | #define kern_addr_valid(kaddr) (0) | ||
92 | |||
93 | #ifdef CONFIG_X86_NUMAQ /* we have contiguous memory on NUMA-Q */ | ||
94 | #define pfn_valid(pfn) ((pfn) < num_physpages) | ||
95 | #else | ||
96 | static inline int pfn_valid(int pfn) | ||
97 | { | ||
98 | int nid = pfn_to_nid(pfn); | ||
99 | |||
100 | if (nid >= 0) | ||
101 | return (pfn < node_end_pfn(nid)); | ||
102 | return 0; | ||
103 | } | ||
104 | #endif /* CONFIG_X86_NUMAQ */ | ||
105 | |||
106 | #endif /* CONFIG_DISCONTIGMEM */ | ||
107 | |||
108 | #ifdef CONFIG_NEED_MULTIPLE_NODES | ||
109 | |||
110 | /* | ||
111 | * Following are macros that are specific to this numa platform. | ||
112 | */ | ||
113 | #define reserve_bootmem(addr, size) \ | ||
114 | reserve_bootmem_node(NODE_DATA(0), (addr), (size)) | ||
115 | #define alloc_bootmem(x) \ | ||
116 | __alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS)) | ||
117 | #define alloc_bootmem_low(x) \ | ||
118 | __alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, 0) | ||
119 | #define alloc_bootmem_pages(x) \ | ||
120 | __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) | ||
121 | #define alloc_bootmem_low_pages(x) \ | ||
122 | __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, 0) | ||
123 | #define alloc_bootmem_node(pgdat, x) \ | ||
124 | ({ \ | ||
125 | struct pglist_data __maybe_unused \ | ||
126 | *__alloc_bootmem_node__pgdat = (pgdat); \ | ||
127 | __alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, \ | ||
128 | __pa(MAX_DMA_ADDRESS)); \ | ||
129 | }) | ||
130 | #define alloc_bootmem_pages_node(pgdat, x) \ | ||
131 | ({ \ | ||
132 | struct pglist_data __maybe_unused \ | ||
133 | *__alloc_bootmem_node__pgdat = (pgdat); \ | ||
134 | __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, \ | ||
135 | __pa(MAX_DMA_ADDRESS)) \ | ||
136 | }) | ||
137 | #define alloc_bootmem_low_pages_node(pgdat, x) \ | ||
138 | ({ \ | ||
139 | struct pglist_data __maybe_unused \ | ||
140 | *__alloc_bootmem_node__pgdat = (pgdat); \ | ||
141 | __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, 0); \ | ||
142 | }) | ||
143 | #endif /* CONFIG_NEED_MULTIPLE_NODES */ | ||
144 | |||
145 | #endif /* _ASM_MMZONE_H_ */ | ||