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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-11-01 19:51:51 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-11-01 19:51:51 +0300 |
commit | 0242909a6135e10a28822c64f9ad50fdad52757c (patch) | |
tree | c5f9c8abe95a65433e6ac356871f2379c02488fe /arch/cris/include/asm/pgalloc.h | |
parent | 0a6d2fac615972142715d736289abeeb7382e81d (diff) | |
parent | 556dcee7b829e5c350c3ffdbdb87a8b15aa3c5d3 (diff) | |
download | linux-0242909a6135e10a28822c64f9ad50fdad52757c.tar.xz |
Merge branch 'cris_move' of git://www.jni.nu/cris
* 'cris_move' of git://www.jni.nu/cris:
[CRIS] Move header files from include to arch/cris/include.
[CRISv32] Remove warning in io.h
Diffstat (limited to 'arch/cris/include/asm/pgalloc.h')
-rw-r--r-- | arch/cris/include/asm/pgalloc.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/cris/include/asm/pgalloc.h b/arch/cris/include/asm/pgalloc.h new file mode 100644 index 000000000000..a1ba761d0573 --- /dev/null +++ b/arch/cris/include/asm/pgalloc.h @@ -0,0 +1,58 @@ +#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 |