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-rw-r--r--include/asm-i386/mmzone.h89
1 files changed, 48 insertions, 41 deletions
diff --git a/include/asm-i386/mmzone.h b/include/asm-i386/mmzone.h
index 48e46d403aa6..33ce5d37e894 100644
--- a/include/asm-i386/mmzone.h
+++ b/include/asm-i386/mmzone.h
@@ -8,7 +8,9 @@
8 8
9#include <asm/smp.h> 9#include <asm/smp.h>
10 10
11#ifdef CONFIG_DISCONTIGMEM 11#if CONFIG_NUMA
12extern struct pglist_data *node_data[];
13#define NODE_DATA(nid) (node_data[nid])
12 14
13#ifdef CONFIG_NUMA 15#ifdef CONFIG_NUMA
14 #ifdef CONFIG_X86_NUMAQ 16 #ifdef CONFIG_X86_NUMAQ
@@ -21,8 +23,28 @@
21 #define get_zholes_size(n) (0) 23 #define get_zholes_size(n) (0)
22#endif /* CONFIG_NUMA */ 24#endif /* CONFIG_NUMA */
23 25
24extern struct pglist_data *node_data[]; 26extern int get_memcfg_numa_flat(void );
25#define NODE_DATA(nid) (node_data[nid]) 27/*
28 * This allows any one NUMA architecture to be compiled
29 * for, and still fall back to the flat function if it
30 * fails.
31 */
32static inline void get_memcfg_numa(void)
33{
34#ifdef CONFIG_X86_NUMAQ
35 if (get_memcfg_numaq())
36 return;
37#elif CONFIG_ACPI_SRAT
38 if (get_memcfg_from_srat())
39 return;
40#endif
41
42 get_memcfg_numa_flat();
43}
44
45#endif /* CONFIG_NUMA */
46
47#ifdef CONFIG_DISCONTIGMEM
26 48
27/* 49/*
28 * generic node memory support, the following assumptions apply: 50 * generic node memory support, the following assumptions apply:
@@ -48,26 +70,6 @@ static inline int pfn_to_nid(unsigned long pfn)
48#endif 70#endif
49} 71}
50 72
51/*
52 * Following are macros that are specific to this numa platform.
53 */
54#define reserve_bootmem(addr, size) \
55 reserve_bootmem_node(NODE_DATA(0), (addr), (size))
56#define alloc_bootmem(x) \
57 __alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
58#define alloc_bootmem_low(x) \
59 __alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, 0)
60#define alloc_bootmem_pages(x) \
61 __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
62#define alloc_bootmem_low_pages(x) \
63 __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, 0)
64#define alloc_bootmem_node(ignore, x) \
65 __alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
66#define alloc_bootmem_pages_node(ignore, x) \
67 __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
68#define alloc_bootmem_low_pages_node(ignore, x) \
69 __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, 0)
70
71#define node_localnr(pfn, nid) ((pfn) - node_data[nid]->node_start_pfn) 73#define node_localnr(pfn, nid) ((pfn) - node_data[nid]->node_start_pfn)
72 74
73/* 75/*
@@ -121,28 +123,33 @@ static inline int pfn_valid(int pfn)
121 return (pfn < node_end_pfn(nid)); 123 return (pfn < node_end_pfn(nid));
122 return 0; 124 return 0;
123} 125}
124#endif 126#endif /* CONFIG_X86_NUMAQ */
127
128#endif /* CONFIG_DISCONTIGMEM */
129
130#ifdef CONFIG_NEED_MULTIPLE_NODES
125 131
126extern int get_memcfg_numa_flat(void );
127/* 132/*
128 * This allows any one NUMA architecture to be compiled 133 * Following are macros that are specific to this numa platform.
129 * for, and still fall back to the flat function if it
130 * fails.
131 */ 134 */
132static inline void get_memcfg_numa(void) 135#define reserve_bootmem(addr, size) \
133{ 136 reserve_bootmem_node(NODE_DATA(0), (addr), (size))
134#ifdef CONFIG_X86_NUMAQ 137#define alloc_bootmem(x) \
135 if (get_memcfg_numaq()) 138 __alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
136 return; 139#define alloc_bootmem_low(x) \
137#elif CONFIG_ACPI_SRAT 140 __alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, 0)
138 if (get_memcfg_from_srat()) 141#define alloc_bootmem_pages(x) \
139 return; 142 __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
140#endif 143#define alloc_bootmem_low_pages(x) \
141 144 __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, 0)
142 get_memcfg_numa_flat(); 145#define alloc_bootmem_node(ignore, x) \
143} 146 __alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
147#define alloc_bootmem_pages_node(ignore, x) \
148 __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
149#define alloc_bootmem_low_pages_node(ignore, x) \
150 __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, 0)
144 151
145#endif /* CONFIG_DISCONTIGMEM */ 152#endif /* CONFIG_NEED_MULTIPLE_NODES */
146 153
147extern int early_pfn_to_nid(unsigned long pfn); 154extern int early_pfn_to_nid(unsigned long pfn);
148 155