| #ifndef _ASM_POWERPC_HUGETLB_H |
| #define _ASM_POWERPC_HUGETLB_H |
| |
| #include <asm/page.h> |
| |
| |
| int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, |
| unsigned long len); |
| |
| void hugetlb_free_pgd_range(struct mmu_gather **tlb, unsigned long addr, |
| unsigned long end, unsigned long floor, |
| unsigned long ceiling); |
| |
| void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, |
| pte_t *ptep, pte_t pte); |
| |
| pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, |
| pte_t *ptep); |
| |
| /* |
| * If the arch doesn't supply something else, assume that hugepage |
| * size aligned regions are ok without further preparation. |
| */ |
| static inline int prepare_hugepage_range(unsigned long addr, unsigned long len) |
| { |
| if (len & ~HPAGE_MASK) |
| return -EINVAL; |
| if (addr & ~HPAGE_MASK) |
| return -EINVAL; |
| return 0; |
| } |
| |
| static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) |
| { |
| } |
| |
| #endif /* _ASM_POWERPC_HUGETLB_H */ |
