1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ALPHA_PGALLOC_H
3#define _ALPHA_PGALLOC_H
4
5#include <linux/mm.h>
6#include <linux/mmzone.h>
7
8#include <asm-generic/pgalloc.h>
9
10/*
11 * Allocate and free page tables. The xxx_kernel() versions are
12 * used to allocate a kernel page table - this turns on ASN bits
13 * if any.
14 */
15
16static inline void
17pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t pte)
18{
19	pmd_set(pmd, (pte_t *)(page_to_pa(pte) + PAGE_OFFSET));
20}
21#define pmd_pgtable(pmd) pmd_page(pmd)
22
23static inline void
24pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
25{
26	pmd_set(pmd, pte);
27}
28
29static inline void
30pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
31{
32	pud_set(pud, pmd);
33}
34
35extern pgd_t *pgd_alloc(struct mm_struct *mm);
36
37#endif /* _ALPHA_PGALLOC_H */
38