/* * This file is subject to the terms and conditions of the GNU General Public * License.  See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1994 - 2001, 2003 by Ralf Baechle * Copyright (C) 1999, 2000, 2001 Silicon Graphics, Inc. */ #ifndef _ASM_NIOS2_PGALLOC_H#define _ASM_NIOS2_PGALLOC_H #include <linux/mm.h> static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,	pte_t *pte){	set_pmd(pmd, __pmd((unsigned long)pte));} static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,	pgtable_t pte){	set_pmd(pmd, __pmd((unsigned long)page_address(pte)));}#define pmd_pgtable(pmd) pmd_page(pmd) /* * Initialize a new pmd table with invalid pointers. */extern void pmd_init(unsigned long page, unsigned long pagetable); extern pgd_t *pgd_alloc(struct mm_struct *mm); static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd){	free_pages((unsigned long)pgd, PGD_ORDER);} static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,	unsigned long address){	pte_t *pte; 	pte = (pte_t *) __get_free_pages(GFP_KERNEL|__GFP_ZERO, PTE_ORDER); 	return pte;} static inline pgtable_t pte_alloc_one(struct mm_struct *mm,	unsigned long address){	struct page *pte; 	pte = alloc_pages(GFP_KERNEL, PTE_ORDER);	if (pte) {		if (!pgtable_page_ctor(pte)) {			__free_page(pte);			return NULL;		}		clear_highpage(pte);	}	return pte;} static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte){	free_pages((unsigned long)pte, PTE_ORDER);} static inline void pte_free(struct mm_struct *mm, struct page *pte){	pgtable_page_dtor(pte);	__free_pages(pte, PTE_ORDER);} #define __pte_free_tlb(tlb, pte, addr)				\	do {							\		pgtable_page_dtor(pte);				\		tlb_remove_page((tlb), (pte));			\	} while (0) #define check_pgt_cache()	do { } while (0) #endif /* _ASM_NIOS2_PGALLOC_H */