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 16 static inline void 17 pmd_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 23 static inline void 24 pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte) 25 { 26 pmd_set(pmd, pte); 27 } 28 29 static inline void 30 pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) 31 { 32 pud_set(pud, pmd); 33 } 34 35 extern pgd_t *pgd_alloc(struct mm_struct *mm); 36 37 #endif /* _ALPHA_PGALLOC_H */ 38