--- Gnu-Mach/vm/vm_pageout.h	2020/09/02 04:42:55	1.1.1.2
+++ Gnu-Mach/vm/vm_pageout.h	2020/09/02 04:47:49	1.1.1.4
@@ -40,7 +40,14 @@
  *	Exported routines.
  */
 
-extern vm_page_t vm_pageout_setup();
-extern void vm_pageout_page();
+extern vm_page_t vm_pageout_setup(vm_page_t, vm_offset_t, vm_object_t,
+				  vm_offset_t, boolean_t);
+extern void vm_pageout_page(vm_page_t, boolean_t, boolean_t);
+
+extern void vm_pageout(void) __attribute__((noreturn));
+
+extern void vm_pageout_continue(void) __attribute__((noreturn));
+
+extern void vm_pageout_scan_continue(void) __attribute__((noreturn));
 
 #endif	/* _VM_VM_PAGEOUT_H_ */