pgalloc.h 1.1 KB

12345678910111213141516171819202122232425262728293031323334353637383940
  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef __ASM_SH_PGALLOC_H
  3. #define __ASM_SH_PGALLOC_H
  4. #include <asm/page.h>
  5. #define __HAVE_ARCH_PMD_ALLOC_ONE
  6. #define __HAVE_ARCH_PMD_FREE
  7. #define __HAVE_ARCH_PGD_FREE
  8. #include <asm-generic/pgalloc.h>
  9. extern pgd_t *pgd_alloc(struct mm_struct *);
  10. extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
  11. #if PAGETABLE_LEVELS > 2
  12. extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);
  13. extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address);
  14. extern void pmd_free(struct mm_struct *mm, pmd_t *pmd);
  15. #define __pmd_free_tlb(tlb, pmdp, addr) pmd_free((tlb)->mm, (pmdp))
  16. #endif
  17. static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
  18. pte_t *pte)
  19. {
  20. set_pmd(pmd, __pmd((unsigned long)pte));
  21. }
  22. static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
  23. pgtable_t pte)
  24. {
  25. set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
  26. }
  27. #define __pte_free_tlb(tlb,pte,addr) \
  28. do { \
  29. pgtable_pte_page_dtor(pte); \
  30. tlb_remove_page((tlb), (pte)); \
  31. } while (0)
  32. #endif /* __ASM_SH_PGALLOC_H */