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
   7 #define __HAVE_ARCH_PMD_ALLOC_ONE
   8 #define __HAVE_ARCH_PMD_FREE
   9 #define __HAVE_ARCH_PGD_FREE
  10 #include <asm-generic/pgalloc.h>
  11
  12 extern pgd_t *pgd_alloc(struct mm_struct *);
  13 extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
  14
  15 #if PAGETABLE_LEVELS > 2
  16 extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);
  17 extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address);
  18 extern void pmd_free(struct mm_struct *mm, pmd_t *pmd);
  19 #define __pmd_free_tlb(tlb, pmdp, addr)         pmd_free((tlb)->mm, (pmdp))
  20 #endif
  21
  22 static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
  23                                        pte_t *pte)
  24 {
  25         set_pmd(pmd, __pmd((unsigned long)pte));
  26 }
  27
  28 static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
  29                                 pgtable_t pte)
  30 {
  31         set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
  32 }
  33 #define pmd_pgtable(pmd) pmd_page(pmd)
  34
  35 #define __pte_free_tlb(tlb,pte,addr)                    \
  36 do {                                                    \
  37         pgtable_pte_page_dtor(pte);                     \
  38         tlb_remove_page((tlb), (pte));                  \
  39 } while (0)
  40
  41 #endif /* __ASM_SH_PGALLOC_H */