| /* 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); |
| } |
| |
| #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); |