| /* |
| * 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> |
| |
| #include <asm-generic/pgalloc.h> /* for pte_{alloc,free}_one */ |
| |
| 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); |
| } |
| |
| #define __pte_free_tlb(tlb, pte, addr) \ |
| do { \ |
| pgtable_pte_page_dtor(pte); \ |
| tlb_remove_page((tlb), (pte)); \ |
| } while (0) |
| |
| #endif /* _ASM_NIOS2_PGALLOC_H */ |
