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-rw-r--r--mm/memory.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 8adb5b756264..032f05cd6a2f 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3124,8 +3124,7 @@ static int do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
unsigned long address, pte_t *page_table, pmd_t *pmd,
unsigned int flags, pte_t orig_pte)
{
- pgoff_t pgoff = (((address & PAGE_MASK)
- - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
+ pgoff_t pgoff = linear_page_index(vma, address);
pte_unmap(page_table);
/* The VMA was not fully populated on mmap() or missing VM_DONTEXPAND */