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