1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ALPHA_PGALLOC_H
3 #define _ALPHA_PGALLOC_H
6 #include <linux/mmzone.h>
8 #include <asm-generic/pgalloc.h> /* for pte_{alloc,free}_one */
11 * Allocate and free page tables. The xxx_kernel() versions are
12 * used to allocate a kernel page table - this turns on ASN bits
17 pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t pte)
19 pmd_set(pmd, (pte_t *)(page_to_pa(pte) + PAGE_OFFSET));
21 #define pmd_pgtable(pmd) pmd_page(pmd)
24 pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
30 pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
35 extern pgd_t *pgd_alloc(struct mm_struct *mm);
38 pgd_free(struct mm_struct *mm, pgd_t *pgd)
40 free_page((unsigned long)pgd);
44 pmd_alloc_one(struct mm_struct *mm, unsigned long address)
46 pmd_t *ret = (pmd_t *)__get_free_page(GFP_PGTABLE_USER);
51 pmd_free(struct mm_struct *mm, pmd_t *pmd)
53 free_page((unsigned long)pmd);
56 #define check_pgt_cache() do { } while (0)
58 #endif /* _ALPHA_PGALLOC_H */