1 files changed, 2 insertions, 1 deletions

diff --git a/mm/mremap.c b/mm/mremap.c
index b147f66f4c40..c855922497a3 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -288,7 +288,8 @@ static unsigned long move_vma(struct vm_area_struct *vma,
                 old_len = new_len;
                 old_addr = new_addr;
                 new_addr = -ENOMEM;
-        }
+        } else if (vma->vm_file && vma->vm_file->f_op->mremap)
+                vma->vm_file->f_op->mremap(vma->vm_file, new_vma);
 
         /* Conceal VM_ACCOUNT so old reservation is not undone */
         if (vm_flags & VM_ACCOUNT) {