include/asm-x86/pgalloc_64.h

   1 #ifndef _X86_64_PGALLOC_H
   2 #define _X86_64_PGALLOC_H
   3
   4 #include <asm/pda.h>
   5
   6 static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
   7 {
   8         set_pud(pud, __pud(_PAGE_TABLE | __pa(pmd)));
   9 }
  10
  11 static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud)
  12 {
  13         set_pgd(pgd, __pgd(_PAGE_TABLE | __pa(pud)));
  14 }
  15
  16 static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
  17 {
  18         return (pud_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT);
  19 }
  20
  21 static inline void pud_free(struct mm_struct *mm, pud_t *pud)
  22 {
  23         BUG_ON((unsigned long)pud & (PAGE_SIZE-1));
  24         free_page((unsigned long)pud);
  25 }
  26
  27 extern void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud);
  28
  29 #endif /* _X86_64_PGALLOC_H */