pgalloc.h

 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
13extern pgd_t *pgd_alloc(struct mm_struct *);
14extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
15
16#if PAGETABLE_LEVELS > 2
17extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);
18extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address);
19extern 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
23static 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
29static 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	tlb_remove_ptdesc((tlb), page_ptdesc(pte))
37
38#endif /* __ASM_SH_PGALLOC_H */