1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_SH_PGALLOC_H
3 #define __ASM_SH_PGALLOC_H
4
5 #include <linux/mm.h>
6 #include <asm/page.h>
7
8 #define __HAVE_ARCH_PMD_ALLOC_ONE
9 #define __HAVE_ARCH_PMD_FREE
10 #define __HAVE_ARCH_PGD_FREE
11 #include <asm-generic/pgalloc.h>
12
13 extern pgd_t *pgd_alloc(struct mm_struct *);
14 extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
15
16 #if PAGETABLE_LEVELS > 2
17 extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);
18 extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address);
19 extern void pmd_free(struct mm_struct *mm, pmd_t *pmd);
20 #define __pmd_free_tlb(tlb, pmdp, addr) pmd_free((tlb)->mm, (pmdp))
21 #endif
22
pmd_populate_kernel(struct mm_struct * mm,pmd_t * pmd,pte_t * pte)23 static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
24 pte_t *pte)
25 {
26 set_pmd(pmd, __pmd((unsigned long)pte));
27 }
28
pmd_populate(struct mm_struct * mm,pmd_t * pmd,pgtable_t pte)29 static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
30 pgtable_t pte)
31 {
32 set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
33 }
34
35 #define __pte_free_tlb(tlb, pte, addr) \
36 do { \
37 pagetable_pte_dtor(page_ptdesc(pte)); \
38 tlb_remove_page_ptdesc((tlb), (page_ptdesc(pte))); \
39 } while (0)
40
41 #endif /* __ASM_SH_PGALLOC_H */
42