#ifndef _CRIS_PGALLOC_H #define _CRIS_PGALLOC_H #include <linux/threads.h> #include <linux/mm.h> #define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, pte) #define pmd_populate(mm, pmd, pte) pmd_set(pmd, page_address(pte)) #define pmd_pgtable(pmd) pmd_page(pmd) /* * Allocate and free page tables. */ static inline pgd_t *pgd_alloc (struct mm_struct *mm) { return (pgd_t *)get_zeroed_page(GFP_KERNEL); } static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { free_page((unsigned long)pgd); } static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO); return pte; } static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) { struct page *pte; pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0); pgtable_page_ctor(pte); return pte; } static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) { free_page((unsigned long)pte); } static inline void pte_free(struct mm_struct *mm, pgtable_t pte) { pgtable_page_dtor(pte); __free_page(pte); } #define __pte_free_tlb(tlb,pte) \ do { \ pgtable_page_dtor(pte); \ tlb_remove_page((tlb), pte); \ } while (0) #define check_pgt_cache() do { } while (0) #endif