LXR linux/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
  12extern pgd_t *pgd_alloc(struct mm_struct *);
  13extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
  14
  15#if PAGETABLE_LEVELS > 2
  16extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);
  17extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address);
  18extern 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
  22static 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
  28static 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
  34#define __pte_free_tlb(tlb,pte,addr)                    \
  35do {                                                    \
  36        pgtable_pte_page_dtor(pte);                     \
  37        tlb_remove_page((tlb), (pte));                  \
  38} while (0)
  39
  40#endif /* __ASM_SH_PGALLOC_H */
  41