1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 503ab8b46c0b..5e820674432c 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1261,7 +1261,7 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma)
         }
 
         sfp->mmap_called = 1;
-        vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
+        vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
         vma->vm_private_data = sfp;
         vma->vm_ops = &sg_mmap_vm_ops;
         return 0;