git.zerfleddert.de Git - ms2-kexec/blob - 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_l1;
  22         unsigned int prot_sect;
  23         unsigned int domain;
  24 };
  25
  26 const struct mem_type *get_mem_type(unsigned int type);
  27
  28 #endif
  29
  30 struct map_desc;
  31 struct meminfo;
  32 struct pglist_data;
  33
  34 void __init create_mapping(struct map_desc *md);
  35 void __init bootmem_init(void);
  36 void reserve_node_zero(struct pglist_data *pgdat);