/* SPDX-License-Identifier: GPL-2.0 */#ifndef _ALPHA_PGALLOC_H#define _ALPHA_PGALLOC_H #include <linux/mm.h>#include <linux/mmzone.h> /*       * Allocate and free page tables. The xxx_kernel() versions are * used to allocate a kernel page table - this turns on ASN bits * if any. */ static inline voidpmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t pte){	pmd_set(pmd, (pte_t *)(page_to_pa(pte) + PAGE_OFFSET));}#define pmd_pgtable(pmd) pmd_page(pmd) static inline voidpmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte){	pmd_set(pmd, pte);} static inline voidpgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd){	pgd_set(pgd, pmd);} extern pgd_t *pgd_alloc(struct mm_struct *mm); static inline voidpgd_free(struct mm_struct *mm, pgd_t *pgd){	free_page((unsigned long)pgd);} static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address){	pmd_t *ret = (pmd_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);	return ret;} static inline voidpmd_free(struct mm_struct *mm, pmd_t *pmd){	free_page((unsigned long)pmd);} static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm){	pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);	return pte;} static inline voidpte_free_kernel(struct mm_struct *mm, pte_t *pte){	free_page((unsigned long)pte);} static inline pgtable_tpte_alloc_one(struct mm_struct *mm){	pte_t *pte = pte_alloc_one_kernel(mm);	struct page *page; 	if (!pte)		return NULL;	page = virt_to_page(pte);	if (!pgtable_page_ctor(page)) {		__free_page(page);		return NULL;	}	return page;} static inline voidpte_free(struct mm_struct *mm, pgtable_t page){	pgtable_page_dtor(page);	__free_page(page);} #define check_pgt_cache()	do { } while (0) #endif /* _ALPHA_PGALLOC_H */