arch/sh/include/asm/pgalloc.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_SH_PGALLOC_H
   3 #define __ASM_SH_PGALLOC_H
   4
   5 #include <asm/page.h>
   6 #include <asm-generic/pgalloc.h>
   7
   8 extern pgd_t *pgd_alloc(struct mm_struct *);
   9 extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
  10
  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
  18 static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
  19                                        pte_t *pte)
  20 {
  21         set_pmd(pmd, __pmd((unsigned long)pte));
  22 }
  23
  24 static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
  25                                 pgtable_t pte)
  26 {
  27         set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
  28 }
  29 #define pmd_pgtable(pmd) pmd_page(pmd)
  30
  31 #define __pte_free_tlb(tlb,pte,addr)                    \
  32 do {                                                    \
  33         pgtable_pte_page_dtor(pte);                     \
  34         tlb_remove_page((tlb), (pte));                  \
  35 } while (0)
  36
  37 #endif /* __ASM_SH_PGALLOC_H */