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author | Ben Dooks <ben-linux@fluff.org> | 2008-11-03 14:49:01 +0000 |
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committer | Ben Dooks <ben-linux@fluff.org> | 2008-11-03 14:49:01 +0000 |
commit | e856359685143a2f65876e7db4e4aa0ef5dce7f0 (patch) | |
tree | bbcafe7f23975979f7a2bc6fd1404908d5fd7bd1 /arch/cris/include/asm/pgalloc.h | |
parent | e3bd9ec5d8bfc90f9e1bd995677829e57a404061 (diff) | |
parent | 45beca08dd8b6d6a65c5ffd730af2eac7a2c7a03 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into s3c-moves2
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 00000000000..a1ba761d057 --- /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 |