diff options
Diffstat (limited to 'arch/ia64/include/asm/hugetlb.h')
-rw-r--r-- | arch/ia64/include/asm/hugetlb.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/hugetlb.h b/arch/ia64/include/asm/hugetlb.h new file mode 100644 index 000000000..aa910054b --- /dev/null +++ b/arch/ia64/include/asm/hugetlb.h @@ -0,0 +1,85 @@ +#ifndef _ASM_IA64_HUGETLB_H +#define _ASM_IA64_HUGETLB_H + +#include <asm/page.h> +#include <asm-generic/hugetlb.h> + + +void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr, + unsigned long end, unsigned long floor, + unsigned long ceiling); + +int prepare_hugepage_range(struct file *file, + unsigned long addr, unsigned long len); + +static inline int is_hugepage_only_range(struct mm_struct *mm, + unsigned long addr, + unsigned long len) +{ + return (REGION_NUMBER(addr) == RGN_HPAGE || + REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE); +} + +static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) +{ +} + +static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte) +{ + set_pte_at(mm, addr, ptep, pte); +} + +static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + return ptep_get_and_clear(mm, addr, ptep); +} + +static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep) +{ +} + +static inline int huge_pte_none(pte_t pte) +{ + return pte_none(pte); +} + +static inline pte_t huge_pte_wrprotect(pte_t pte) +{ + return pte_wrprotect(pte); +} + +static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + ptep_set_wrprotect(mm, addr, ptep); +} + +static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep, + pte_t pte, int dirty) +{ + return ptep_set_access_flags(vma, addr, ptep, pte, dirty); +} + +static inline pte_t huge_ptep_get(pte_t *ptep) +{ + return *ptep; +} + +static inline int arch_prepare_hugepage(struct page *page) +{ + return 0; +} + +static inline void arch_release_hugepage(struct page *page) +{ +} + +static inline void arch_clear_hugepage_flags(struct page *page) +{ +} + +#endif /* _ASM_IA64_HUGETLB_H */ |