diff options
Diffstat (limited to 'include/asm-xtensa/pgalloc.h')
| -rw-r--r-- | include/asm-xtensa/pgalloc.h | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/include/asm-xtensa/pgalloc.h b/include/asm-xtensa/pgalloc.h deleted file mode 100644 index 4f4a7987ede..00000000000 --- a/include/asm-xtensa/pgalloc.h +++ /dev/null | |||
| @@ -1,73 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * include/asm-xtensa/pgalloc.h | ||
| 3 | * | ||
| 4 | * This program is free software; you can redistribute it and/or modify | ||
| 5 | * it under the terms of the GNU General Public License version 2 as | ||
| 6 | * published by the Free Software Foundation. | ||
| 7 | * | ||
| 8 | * Copyright (C) 2001-2007 Tensilica Inc. | ||
| 9 | */ | ||
| 10 | |||
| 11 | #ifndef _XTENSA_PGALLOC_H | ||
| 12 | #define _XTENSA_PGALLOC_H | ||
| 13 | |||
| 14 | #ifdef __KERNEL__ | ||
| 15 | |||
| 16 | #include <linux/highmem.h> | ||
| 17 | |||
| 18 | /* | ||
| 19 | * Allocating and freeing a pmd is trivial: the 1-entry pmd is | ||
| 20 | * inside the pgd, so has no extra memory associated with it. | ||
| 21 | */ | ||
| 22 | |||
| 23 | #define pmd_populate_kernel(mm, pmdp, ptep) \ | ||
| 24 | (pmd_val(*(pmdp)) = ((unsigned long)ptep)) | ||
| 25 | #define pmd_populate(mm, pmdp, page) \ | ||
| 26 | (pmd_val(*(pmdp)) = ((unsigned long)page_to_virt(page))) | ||
| 27 | #define pmd_pgtable(pmd) pmd_page(pmd) | ||
| 28 | |||
| 29 | static inline pgd_t* | ||
| 30 | pgd_alloc(struct mm_struct *mm) | ||
| 31 | { | ||
| 32 | return (pgd_t*) __get_free_pages(GFP_KERNEL | __GFP_ZERO, PGD_ORDER); | ||
| 33 | } | ||
| 34 | |||
| 35 | static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) | ||
| 36 | { | ||
| 37 | free_page((unsigned long)pgd); | ||
| 38 | } | ||
| 39 | |||
| 40 | /* Use a slab cache for the pte pages (see also sparc64 implementation) */ | ||
| 41 | |||
| 42 | extern struct kmem_cache *pgtable_cache; | ||
| 43 | |||
| 44 | static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, | ||
| 45 | unsigned long address) | ||
| 46 | { | ||
| 47 | return kmem_cache_alloc(pgtable_cache, GFP_KERNEL|__GFP_REPEAT); | ||
| 48 | } | ||
| 49 | |||
| 50 | static inline pgtable_t pte_alloc_one(struct mm_struct *mm, | ||
| 51 | unsigned long addr) | ||
| 52 | { | ||
| 53 | struct page *page; | ||
| 54 | |||
| 55 | page = virt_to_page(pte_alloc_one_kernel(mm, addr)); | ||
| 56 | pgtable_page_ctor(page); | ||
| 57 | return page; | ||
| 58 | } | ||
| 59 | |||
| 60 | static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) | ||
| 61 | { | ||
| 62 | kmem_cache_free(pgtable_cache, pte); | ||
| 63 | } | ||
| 64 | |||
| 65 | static inline void pte_free(struct mm_struct *mm, pgtable_t pte) | ||
| 66 | { | ||
| 67 | pgtable_page_dtor(pte); | ||
| 68 | kmem_cache_free(pgtable_cache, page_address(pte)); | ||
| 69 | } | ||
| 70 | #define pmd_pgtable(pmd) pmd_page(pmd) | ||
| 71 | |||
| 72 | #endif /* __KERNEL__ */ | ||
| 73 | #endif /* _XTENSA_PGALLOC_H */ | ||
