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#define pmd_pgtable(pmd) pmd_page(pmd)
34
35#define __pte_free_tlb(tlb,pte,addr)			\
36do {							\
37	pgtable_pte_page_dtor(pte);			\
38	tlb_remove_page((tlb), (pte));			\
39} while (0)
40
41#endif /* __ASM_SH_PGALLOC_H */
42