1 #ifdef CONFIG_MMU
2
3 /* the upper-most page table pointer */
4 extern pmd_t *top_pmd;
5
6 #define TOP_PTE(x) pte_offset_kernel(top_pmd, x)
7
8 static inline pmd_t *pmd_off(pgd_t *pgd, unsigned long virt)
9 {
10 return pmd_offset(pgd, virt);
11 }
12
13 static inline pmd_t *pmd_off_k(unsigned long virt)
14 {
15 return pmd_off(pgd_offset_k(virt), virt);
16 }
17
18 struct mem_type {
19 unsigned int prot_pte;
20 unsigned int prot_l1;
21 unsigned int prot_sect;
22 unsigned int domain;
23 };
24
25 const struct mem_type *get_mem_type(unsigned int type);
26
27 #endif
28
29 struct map_desc;
30 struct meminfo;
31 struct pglist_data;
32
33 void __init create_mapping(struct map_desc *md);
34 void __init bootmem_init(void);
35 void reserve_node_zero(struct pglist_data *pgdat);
36
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