diff options
Diffstat (limited to 'arch/mips/include/asm/hugetlb.h')
| -rw-r--r-- | arch/mips/include/asm/hugetlb.h | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h index 425bb6fc3bda..fd69c8808554 100644 --- a/arch/mips/include/asm/hugetlb.h +++ b/arch/mips/include/asm/hugetlb.h @@ -11,13 +11,6 @@ #include <asm/page.h> -static inline int is_hugepage_only_range(struct mm_struct *mm, - unsigned long addr, - unsigned long len) -{ - return 0; -} - #define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE static inline int prepare_hugepage_range(struct file *file, unsigned long addr, @@ -50,10 +43,19 @@ static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, } #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH -static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, - unsigned long addr, pte_t *ptep) +static inline pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep) { - flush_tlb_page(vma, addr & huge_page_mask(hstate_vma(vma))); + pte_t pte; + + /* + * clear the huge pte entry firstly, so that the other smp threads will + * not get old pte entry after finishing flush_tlb_page and before + * setting new huge pte entry + */ + pte = huge_ptep_get_and_clear(vma->vm_mm, addr, ptep); + flush_tlb_page(vma, addr); + return pte; } #define __HAVE_ARCH_HUGE_PTE_NONE @@ -82,10 +84,6 @@ static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, return changed; } -static inline void arch_clear_hugepage_flags(struct page *page) -{ -} - #include <asm-generic/hugetlb.h> #endif /* __ASM_HUGETLB_H */ |