--- Net2/vm/vm_fault.c	2018/04/24 18:03:57	1.1.1.1
+++ Net2/vm/vm_fault.c	2018/04/24 18:04:41	1.1.1.2
@@ -62,6 +62,8 @@
  * rights to redistribute these changes.
  */
 
+static char rcsid[] = "$Header: /var/lib/cvsd/net2/Net2/vm/vm_fault.c,v 1.1.1.2 2018/04/24 18:04:41 root Exp $";
+
 /*
  *	Page fault handling module.
  */
@@ -253,6 +255,7 @@ vm_fault(map, vaddr, fault_type, change_
 #else
 				PAGE_ASSERT_WAIT(m, !change_wiring);
 				UNLOCK_THINGS;
+thread_wakeup(&vm_pages_needed); /* XXX! */
 				thread_block();
 				vm_object_deallocate(first_object);
 				goto RetryFault;
@@ -288,6 +291,7 @@ vm_fault(map, vaddr, fault_type, change_
 
 				PAGE_ASSERT_WAIT(m, !change_wiring);
 				UNLOCK_THINGS;
+thread_wakeup(&vm_pages_needed); /* XXX */
 				thread_block();
 				vm_object_deallocate(first_object);
 				goto RetryFault;
@@ -637,6 +641,7 @@ vm_fault(map, vaddr, fault_type, change_
 					copy_object->ref_count--;
 					vm_object_unlock(copy_object);
 					UNLOCK_THINGS;
+thread_wakeup(&vm_pages_needed); /* XXX */
 					thread_block();
 					vm_object_deallocate(first_object);
 					goto RetryFault;