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
pmd_populate_kernel(struct mm_struct * mm,pmd_t * pmd,pte_t * pte)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
pmd_populate(struct mm_struct * mm,pmd_t * pmd,pgtable_t pte)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 */
38