arch/arm/mm/mm.h

   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 struct mem_type {
  20         unsigned int prot_pte;
  21         unsigned int prot_pte_ext;
  22         unsigned int prot_l1;
  23         unsigned int prot_sect;
  24         unsigned int domain;
  25 };
  26
  27 const struct mem_type *get_mem_type(unsigned int type);
  28
  29 #endif
  30
  31 struct map_desc;
  32 struct meminfo;
  33 struct pglist_data;
  34
  35 void __init create_mapping(struct map_desc *md);
  36 void __init bootmem_init(struct meminfo *mi);
  37 void reserve_node_zero(struct pglist_data *pgdat);