projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| cbd15b3f LFT |
1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public | |
| 3 | * License. See the file "COPYING" in the main directory of this archive | |
| 4 | * for more details. | |
| 5 | * | |
| 6 | * Copyright (C) 1994 - 2001, 2003 by Ralf Baechle | |
| 7 | * Copyright (C) 1999, 2000, 2001 Silicon Graphics, Inc. | |
| 8 | */ | |
| 9 | ||
| 10 | #ifndef _ASM_NIOS2_PGALLOC_H | |
| 11 | #define _ASM_NIOS2_PGALLOC_H | |
| 12 | ||
| 13 | #include <linux/mm.h> | |
| 14 | ||
| fc7835c2 MR |
15 | #include <asm-generic/pgalloc.h> /* for pte_{alloc,free}_one */ |
| 16 | ||
| cbd15b3f LFT |
17 | static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, |
| 18 | pte_t *pte) | |
| 19 | { | |
| 20 | set_pmd(pmd, __pmd((unsigned long)pte)); | |
| 21 | } | |
| 22 | ||
| 23 | static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, | |
| 24 | pgtable_t pte) | |
| 25 | { | |
| 26 | set_pmd(pmd, __pmd((unsigned long)page_address(pte))); | |
| 27 | } | |
| 28 | #define pmd_pgtable(pmd) pmd_page(pmd) | |
| 29 | ||
| 30 | /* | |
| 31 | * Initialize a new pmd table with invalid pointers. | |
| 32 | */ | |
| 33 | extern void pmd_init(unsigned long page, unsigned long pagetable); | |
| 34 | ||
| 35 | extern pgd_t *pgd_alloc(struct mm_struct *mm); | |
| 36 | ||
| 37 | static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) | |
| 38 | { | |
| 39 | free_pages((unsigned long)pgd, PGD_ORDER); | |
| 40 | } | |
| 41 | ||
| cbd15b3f LFT |
42 | #define __pte_free_tlb(tlb, pte, addr) \ |
| 43 | do { \ | |
| b4ed71f5 | 44 | pgtable_pte_page_dtor(pte); \ |
| cbd15b3f LFT |
45 | tlb_remove_page((tlb), (pte)); \ |
| 46 | } while (0) | |
| 47 | ||
| cbd15b3f | 48 | #endif /* _ASM_NIOS2_PGALLOC_H */ |