--- Gnu-Mach/i386/intel/read_fault.c	2020/09/02 04:36:59	1.1.1.1
+++ Gnu-Mach/i386/intel/read_fault.c	2020/09/02 04:49:25	1.1.1.3
@@ -36,13 +36,12 @@
 /*
  *	Expansion of vm_fault for read fault in kernel mode.
  *	Must enter the mapping as writable, since the i386
- *	(and i860 in i386 compatability mode) ignores write
- *	protection in kernel mode.
+ *	ignores write protection in kernel mode.
  */
 kern_return_t
-intel_read_fault(map, vaddr)
-	vm_map_t	map;
-	vm_offset_t	vaddr;
+intel_read_fault(
+	vm_map_t	map,
+	vm_offset_t	vaddr)
 {
 	vm_map_version_t	version;	/* Map version for
 						   verification */
@@ -52,9 +51,8 @@ intel_read_fault(map, vaddr)
 	vm_page_t		result_page;	/* Result of vm_fault_page */
 	vm_page_t		top_page;	/* Placeholder page */
 	boolean_t		wired;		/* Is map region wired? */
-	boolean_t		su;
 	kern_return_t		result;
-	register vm_page_t	m;
+	vm_page_t		m;
 
     RetryFault:
 
@@ -63,7 +61,7 @@ intel_read_fault(map, vaddr)
 	 *	to begin search.
 	 */
 	result = vm_map_lookup(&map, vaddr, VM_PROT_READ, &version,
-			&object, &offset, &prot, &wired, &su);
+			&object, &offset, &prot, &wired);
 	if (result != KERN_SUCCESS)
 	    return (result);
 
@@ -136,7 +134,7 @@ intel_read_fault(map, vaddr)
 
 	    result = vm_map_lookup(&map, vaddr, VM_PROT_READ, &version,
 				&retry_object, &retry_offset, &retry_prot,
-				&wired, &su);
+				&wired);
 	    if (result != KERN_SUCCESS) {
 		vm_object_lock(m->object);
 		RELEASE_PAGE(m);