diff options
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index ea0826ff2663..f29b7dc02c39 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -314,6 +314,8 @@ void unmap_hugepage_range(struct vm_area_struct *vma, unsigned long start, BUG_ON(start & ~HPAGE_MASK); BUG_ON(end & ~HPAGE_MASK); + spin_lock(&mm->page_table_lock); + /* Update high watermark before we lower rss */ update_hiwater_rss(mm); @@ -333,17 +335,9 @@ void unmap_hugepage_range(struct vm_area_struct *vma, unsigned long start, put_page(page); add_mm_counter(mm, file_rss, (int) -(HPAGE_SIZE / PAGE_SIZE)); } - flush_tlb_range(vma, start, end); -} -void zap_hugepage_range(struct vm_area_struct *vma, - unsigned long start, unsigned long length) -{ - struct mm_struct *mm = vma->vm_mm; - - spin_lock(&mm->page_table_lock); - unmap_hugepage_range(vma, start, start + length); spin_unlock(&mm->page_table_lock); + flush_tlb_range(vma, start, end); } int hugetlb_prefault(struct address_space *mapping, struct vm_area_struct *vma) |