diff options
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index ef968306fd5b..b9aa1b0b38b0 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3942,6 +3942,14 @@ same_page: return i ? i : -EFAULT; } +#ifndef __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE +/* + * ARCHes with special requirements for evicting HUGETLB backing TLB entries can + * implement this. + */ +#define flush_hugetlb_tlb_range(vma, addr, end) flush_tlb_range(vma, addr, end) +#endif + unsigned long hugetlb_change_protection(struct vm_area_struct *vma, unsigned long address, unsigned long end, pgprot_t newprot) { @@ -4002,7 +4010,7 @@ unsigned long hugetlb_change_protection(struct vm_area_struct *vma, * once we release i_mmap_rwsem, another task can do the final put_page * and that page table be reused and filled with junk. */ - flush_tlb_range(vma, start, end); + flush_hugetlb_tlb_range(vma, start, end); mmu_notifier_invalidate_range(mm, start, end); i_mmap_unlock_write(vma->vm_file->f_mapping); mmu_notifier_invalidate_range_end(mm, start, end); |