|  | /* the upper-most page table pointer */ | 
|  |  | 
|  | #ifdef CONFIG_MMU | 
|  |  | 
|  | extern pmd_t *top_pmd; | 
|  |  | 
|  | #define TOP_PTE(x)	pte_offset_kernel(top_pmd, x) | 
|  |  | 
|  | static inline pmd_t *pmd_off(pgd_t *pgd, unsigned long virt) | 
|  | { | 
|  | return pmd_offset(pgd, virt); | 
|  | } | 
|  |  | 
|  | static inline pmd_t *pmd_off_k(unsigned long virt) | 
|  | { | 
|  | return pmd_off(pgd_offset_k(virt), virt); | 
|  | } | 
|  |  | 
|  | struct mem_type { | 
|  | unsigned int prot_pte; | 
|  | unsigned int prot_l1; | 
|  | unsigned int prot_sect; | 
|  | unsigned int domain; | 
|  | }; | 
|  |  | 
|  | const struct mem_type *get_mem_type(unsigned int type); | 
|  |  | 
|  | #endif | 
|  |  | 
|  | struct map_desc; | 
|  | struct meminfo; | 
|  | struct pglist_data; | 
|  |  | 
|  | void __init create_mapping(struct map_desc *md); | 
|  | void __init bootmem_init(struct meminfo *mi); | 
|  | void reserve_node_zero(struct pglist_data *pgdat); | 
|  |  | 
|  | extern void _text, _stext, _etext, __data_start, _end, __init_begin, __init_end; |