--- Gnu-Mach/vm/vm_pageout.h	2020/09/02 04:45:27	1.1.1.3
+++ Gnu-Mach/vm/vm_pageout.h	2020/09/02 04:54:15	1.1.1.5
@@ -44,4 +44,10 @@ extern vm_page_t vm_pageout_setup(vm_pag
 				  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_start(void);
+
+extern void vm_pageout_resume(void);
+
 #endif	/* _VM_VM_PAGEOUT_H_ */