diff options
Diffstat (limited to 'include/asm-powerpc')
| -rw-r--r-- | include/asm-powerpc/hugetlb.h | 37 | ||||
| -rw-r--r-- | include/asm-powerpc/page_64.h | 7 |
2 files changed, 37 insertions, 7 deletions
diff --git a/include/asm-powerpc/hugetlb.h b/include/asm-powerpc/hugetlb.h new file mode 100644 index 00000000000..f537993c5c8 --- /dev/null +++ b/include/asm-powerpc/hugetlb.h @@ -0,0 +1,37 @@ +#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 */ diff --git a/include/asm-powerpc/page_64.h b/include/asm-powerpc/page_64.h index 67834eae570..25af4fc8daf 100644 --- a/include/asm-powerpc/page_64.h +++ b/include/asm-powerpc/page_64.h @@ -128,11 +128,6 @@ extern void slice_init_context(struct mm_struct *mm, unsigned int psize); extern void slice_set_user_psize(struct mm_struct *mm, unsigned int psize); #define slice_mm_new_context(mm) ((mm)->context.id == 0) -#define ARCH_HAS_HUGEPAGE_ONLY_RANGE -extern int is_hugepage_only_range(struct mm_struct *m, - unsigned long addr, - unsigned long len); - #endif /* __ASSEMBLY__ */ #else #define slice_init() @@ -146,8 +141,6 @@ do { \ #ifdef CONFIG_HUGETLB_PAGE -#define ARCH_HAS_HUGETLB_FREE_PGD_RANGE -#define ARCH_HAS_SETCLEAR_HUGE_PTE #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA #endif /* !CONFIG_HUGETLB_PAGE */ |