#ifndef _ALPHA_PGALLOC_H #define _ALPHA_PGALLOC_H #include <linux/config.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 void pmd_populate(struct mm_struct *mm, pmd_t *pmd, struct page *pte) { pmd_set(pmd, (pte_t *)(page_to_pa(pte) + PAGE_OFFSET)); } static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte) { pmd_set(pmd, pte); } static inline void pgd_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 void pgd_free(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_REPEAT|__GFP_ZERO); return ret; } static inline void pmd_free(pmd_t *pmd) { free_page((unsigned long)pmd); } extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr); static inline void pte_free_kernel(pte_t *pte) { free_page((unsigned long)pte); } static inline struct page * pte_alloc_one(struct mm_struct *mm, unsigned long addr) { pte_t *pte = pte_alloc_one_kernel(mm, addr); if (pte) return virt_to_page(pte); return NULL; } static inline void pte_free(struct page *page) { __free_page(page); } #define check_pgt_cache() do { } while (0) #endif /* _ALPHA_PGALLOC_H */