diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 6f048fc..5d7601b 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1721,7 +1721,7 @@
 	return 0;
 }
 
-struct vm_operations_struct hugetlb_vm_ops = {
+const struct vm_operations_struct hugetlb_vm_ops = {
 	.fault = hugetlb_vm_op_fault,
 	.open = hugetlb_vm_op_open,
 	.close = hugetlb_vm_op_close,