--- vm_fault.c.dist	Sun Jan 28 05:54:19 2001
+++ vm_fault.c	Sun Feb 18 05:12:07 2001
@@ -807,6 +807,10 @@
 			s = splvm();
 			vm_pager_page_unswapped(fs.m);
 			splx(s);
+		}  else {
+			if ((fs.entry->eflags & MAP_ENTRY_NOSYNC) && 
+					(fs.m->dirty == 0))
+				vm_page_flag_set(fs.m, PG_NOSYNC);
 		}
 	}