This source file includes following definitions.
- PLAT_NODE_DATA_LOCALNR
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6 #ifndef _ASM_MMZONE_H_
7 #define _ASM_MMZONE_H_
8
9 #include <asm/smp.h>
10
11 struct bootmem_data_t;
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17 extern pg_data_t node_data[];
18
19 #define alpha_pa_to_nid(pa) \
20 (alpha_mv.pa_to_nid \
21 ? alpha_mv.pa_to_nid(pa) \
22 : (0))
23 #define node_mem_start(nid) \
24 (alpha_mv.node_mem_start \
25 ? alpha_mv.node_mem_start(nid) \
26 : (0UL))
27 #define node_mem_size(nid) \
28 (alpha_mv.node_mem_size \
29 ? alpha_mv.node_mem_size(nid) \
30 : ((nid) ? (0UL) : (~0UL)))
31
32 #define pa_to_nid(pa) alpha_pa_to_nid(pa)
33 #define NODE_DATA(nid) (&node_data[(nid)])
34
35 #define node_localnr(pfn, nid) ((pfn) - NODE_DATA(nid)->node_start_pfn)
36
37 #if 1
38 #define PLAT_NODE_DATA_LOCALNR(p, n) \
39 (((p) >> PAGE_SHIFT) - PLAT_NODE_DATA(n)->gendata.node_start_pfn)
40 #else
41 static inline unsigned long
42 PLAT_NODE_DATA_LOCALNR(unsigned long p, int n)
43 {
44 unsigned long temp;
45 temp = p >> PAGE_SHIFT;
46 return temp - PLAT_NODE_DATA(n)->gendata.node_start_pfn;
47 }
48 #endif
49
50 #ifdef CONFIG_DISCONTIGMEM
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59 #define kvaddr_to_nid(kaddr) pa_to_nid(__pa(kaddr))
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66 #define LOCAL_BASE_ADDR(kaddr) \
67 ((unsigned long)__va(NODE_DATA(kvaddr_to_nid(kaddr))->node_start_pfn \
68 << PAGE_SHIFT))
69
70
71 #define kern_addr_valid(kaddr) (0)
72
73 #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
74
75 #define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> 32))
76 #define pgd_page(pgd) (pfn_to_page(pgd_val(pgd) >> 32))
77 #define pte_pfn(pte) (pte_val(pte) >> 32)
78
79 #define mk_pte(page, pgprot) \
80 ({ \
81 pte_t pte; \
82 unsigned long pfn; \
83 \
84 pfn = page_to_pfn(page) << 32; \
85 pte_val(pte) = pfn | pgprot_val(pgprot); \
86 \
87 pte; \
88 })
89
90 #define pte_page(x) \
91 ({ \
92 unsigned long kvirt; \
93 struct page * __xx; \
94 \
95 kvirt = (unsigned long)__va(pte_val(x) >> (32-PAGE_SHIFT)); \
96 __xx = virt_to_page(kvirt); \
97 \
98 __xx; \
99 })
100
101 #define page_to_pa(page) \
102 (page_to_pfn(page) << PAGE_SHIFT)
103
104 #define pfn_to_nid(pfn) pa_to_nid(((u64)(pfn) << PAGE_SHIFT))
105 #define pfn_valid(pfn) \
106 (((pfn) - node_start_pfn(pfn_to_nid(pfn))) < \
107 node_spanned_pages(pfn_to_nid(pfn))) \
108
109 #define virt_addr_valid(kaddr) pfn_valid((__pa(kaddr) >> PAGE_SHIFT))
110
111 #endif
112
113 #endif