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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