1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __ASM_SH_PGALLOC_H
3*4882a593Smuzhiyun #define __ASM_SH_PGALLOC_H
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun #include <asm/page.h>
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #define __HAVE_ARCH_PMD_ALLOC_ONE
8*4882a593Smuzhiyun #define __HAVE_ARCH_PMD_FREE
9*4882a593Smuzhiyun #define __HAVE_ARCH_PGD_FREE
10*4882a593Smuzhiyun #include <asm-generic/pgalloc.h>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun extern pgd_t *pgd_alloc(struct mm_struct *);
13*4882a593Smuzhiyun extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #if PAGETABLE_LEVELS > 2
16*4882a593Smuzhiyun extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);
17*4882a593Smuzhiyun extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address);
18*4882a593Smuzhiyun extern void pmd_free(struct mm_struct *mm, pmd_t *pmd);
19*4882a593Smuzhiyun #define __pmd_free_tlb(tlb, pmdp, addr) pmd_free((tlb)->mm, (pmdp))
20*4882a593Smuzhiyun #endif
21*4882a593Smuzhiyun
pmd_populate_kernel(struct mm_struct * mm,pmd_t * pmd,pte_t * pte)22*4882a593Smuzhiyun static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
23*4882a593Smuzhiyun pte_t *pte)
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun set_pmd(pmd, __pmd((unsigned long)pte));
26*4882a593Smuzhiyun }
27*4882a593Smuzhiyun
pmd_populate(struct mm_struct * mm,pmd_t * pmd,pgtable_t pte)28*4882a593Smuzhiyun static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
29*4882a593Smuzhiyun pgtable_t pte)
30*4882a593Smuzhiyun {
31*4882a593Smuzhiyun set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun #define pmd_pgtable(pmd) pmd_page(pmd)
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun #define __pte_free_tlb(tlb,pte,addr) \
36*4882a593Smuzhiyun do { \
37*4882a593Smuzhiyun pgtable_pte_page_dtor(pte); \
38*4882a593Smuzhiyun tlb_remove_page((tlb), (pte)); \
39*4882a593Smuzhiyun } while (0)
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun #endif /* __ASM_SH_PGALLOC_H */
42