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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-15 09:19:40 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-15 09:19:40 -0700 |
commit | 024b246ed24492d6c2ee14c34d742b137fce1b94 (patch) | |
tree | 428444950025503218c96b03c86f749403626dec /arch/alpha/include/asm/pgalloc.h | |
parent | 9419fc1c957d600093baaea247fef23cca3b4e93 (diff) | |
download | op-kernel-dev-024b246ed24492d6c2ee14c34d742b137fce1b94.zip op-kernel-dev-024b246ed24492d6c2ee14c34d742b137fce1b94.tar.gz |
alpha: move include/asm-alpha to arch/alpha/include/asm
Sam Ravnborg did the build-test that the direct header file move works,
I'm just committing it.
This is a pure move:
mkdir arch/alpha/include
git mv include/asm-alpha arch/alpha/include/asm
with no other changes.
Requested-and-tested-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/alpha/include/asm/pgalloc.h')
-rw-r--r-- | arch/alpha/include/asm/pgalloc.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/pgalloc.h b/arch/alpha/include/asm/pgalloc.h new file mode 100644 index 0000000..fd09015 --- /dev/null +++ b/arch/alpha/include/asm/pgalloc.h @@ -0,0 +1,83 @@ +#ifndef _ALPHA_PGALLOC_H +#define _ALPHA_PGALLOC_H + +#include <linux/mm.h> +#include <linux/mmzone.h> + +/* + * Allocate and free page tables. The xxx_kernel() versions are + * used to allocate a kernel page table - this turns on ASN bits + * if any. + */ + +static inline void +pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t pte) +{ + pmd_set(pmd, (pte_t *)(page_to_pa(pte) + PAGE_OFFSET)); +} +#define pmd_pgtable(pmd) pmd_page(pmd) + +static inline void +pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte) +{ + pmd_set(pmd, pte); +} + +static inline void +pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd) +{ + pgd_set(pgd, pmd); +} + +extern pgd_t *pgd_alloc(struct mm_struct *mm); + +static inline void +pgd_free(struct mm_struct *mm, pgd_t *pgd) +{ + free_page((unsigned long)pgd); +} + +static inline pmd_t * +pmd_alloc_one(struct mm_struct *mm, unsigned long address) +{ + pmd_t *ret = (pmd_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO); + return ret; +} + +static inline void +pmd_free(struct mm_struct *mm, pmd_t *pmd) +{ + free_page((unsigned long)pmd); +} + +extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr); + +static inline void +pte_free_kernel(struct mm_struct *mm, pte_t *pte) +{ + free_page((unsigned long)pte); +} + +static inline pgtable_t +pte_alloc_one(struct mm_struct *mm, unsigned long address) +{ + pte_t *pte = pte_alloc_one_kernel(mm, address); + struct page *page; + + if (!pte) + return NULL; + page = virt_to_page(pte); + pgtable_page_ctor(page); + return page; +} + +static inline void +pte_free(struct mm_struct *mm, pgtable_t page) +{ + pgtable_page_dtor(page); + __free_page(page); +} + +#define check_pgt_cache() do { } while (0) + +#endif /* _ALPHA_PGALLOC_H */ |