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-rw-r--r--fs/dax.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/dax.c b/fs/dax.c
index 74838c43be91..9ef9b80cc132 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -529,7 +529,7 @@ int __dax_pmd_fault(struct vm_area_struct *vma, unsigned long address,
if ((pmd_addr + PMD_SIZE) > vma->vm_end)
return VM_FAULT_FALLBACK;
- pgoff = ((pmd_addr - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
+ pgoff = linear_page_index(vma, pmd_addr);
size = (i_size_read(inode) + PAGE_SIZE - 1) >> PAGE_SHIFT;
if (pgoff >= size)
return VM_FAULT_SIGBUS;