projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 6d779079 GS |
1 | #ifndef _ASM_X86_HUGETLB_H |
| 2 | #define _ASM_X86_HUGETLB_H | |
| 3 | ||
| 4 | #include <asm/page.h> | |
| 5 | ||
| 6 | ||
| 7 | static inline int is_hugepage_only_range(struct mm_struct *mm, | |
| 8 | unsigned long addr, | |
| 9 | unsigned long len) { | |
| 10 | return 0; | |
| 11 | } | |
| 12 | ||
| 13 | /* | |
| 14 | * If the arch doesn't supply something else, assume that hugepage | |
| 15 | * size aligned regions are ok without further preparation. | |
| 16 | */ | |
| 17 | static inline int prepare_hugepage_range(unsigned long addr, unsigned long len) | |
| 18 | { | |
| 19 | if (len & ~HPAGE_MASK) | |
| 20 | return -EINVAL; | |
| 21 | if (addr & ~HPAGE_MASK) | |
| 22 | return -EINVAL; | |
| 23 | return 0; | |
| 24 | } | |
| 25 | ||
| 26 | static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) { | |
| 27 | } | |
| 28 | ||
| 29 | static inline void hugetlb_free_pgd_range(struct mmu_gather **tlb, | |
| 30 | unsigned long addr, unsigned long end, | |
| 31 | unsigned long floor, | |
| 32 | unsigned long ceiling) | |
| 33 | { | |
| 34 | free_pgd_range(tlb, addr, end, floor, ceiling); | |
| 35 | } | |
| 36 | ||
| 37 | static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, | |
| 38 | pte_t *ptep, pte_t pte) | |
| 39 | { | |
| 40 | set_pte_at(mm, addr, ptep, pte); | |
| 41 | } | |
| 42 | ||
| 43 | static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, | |
| 44 | unsigned long addr, pte_t *ptep) | |
| 45 | { | |
| 46 | return ptep_get_and_clear(mm, addr, ptep); | |
| 47 | } | |
| 48 | ||
| 8fe627ec GS |
49 | static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, |
| 50 | unsigned long addr, pte_t *ptep) | |
| 51 | { | |
| 52 | } | |
| 53 | ||
| 6d779079 | 54 | #endif /* _ASM_X86_HUGETLB_H */ |