diff options
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/hugetlb.h | 25 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/mmu-hash64.h | 1 |
2 files changed, 20 insertions, 6 deletions
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index 038886834da..5856a66ab40 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -6,6 +6,8 @@ pte_t *huge_pte_offset_and_shift(struct mm_struct *mm, unsigned long addr, unsigned *shift); +void flush_dcache_icache_hugepage(struct page *page); + int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, unsigned long len); @@ -13,12 +15,6 @@ 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); - /* * The version of vma_mmu_pagesize() in arch/powerpc/mm/hugetlbpage.c needs * to override the version in mm/hugetlb.c @@ -44,9 +40,26 @@ 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) +{ + unsigned long old = pte_update(mm, addr, ptep, ~0UL, 1); + return __pte(old); +} + static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { + pte_t pte; + pte = huge_ptep_get_and_clear(vma->vm_mm, addr, ptep); + flush_tlb_page(vma, addr); } static inline int huge_pte_none(pte_t pte) diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h index dd50ea15e64..7514ec2f854 100644 --- a/arch/powerpc/include/asm/mmu-hash64.h +++ b/arch/powerpc/include/asm/mmu-hash64.h @@ -245,6 +245,7 @@ extern int __hash_page_64K(unsigned long ea, unsigned long access, unsigned long vsid, pte_t *ptep, unsigned long trap, unsigned int local, int ssize); struct mm_struct; +unsigned int hash_page_do_lazy_icache(unsigned int pp, pte_t pte, int trap); extern int hash_page(unsigned long ea, unsigned long access, unsigned long trap); int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid, pte_t *ptep, unsigned long trap, int local, int ssize, |