--- Gnu-Mach/vm/vm_object.h	2020/09/02 04:52:09	1.1.1.6
+++ Gnu-Mach/vm/vm_object.h	2020/09/02 04:54:14	1.1.1.7
@@ -150,9 +150,6 @@ struct vm_object {
 						/* Should lock request in
 						 * progress restart search?
 						 */
-	/* boolean_t */		use_old_pageout : 1,
-						/* Use old pageout primitives?
-						 */
 	/* boolean_t */		use_shared_copy : 1,/* Use shared (i.e.,
 						 * delayed) copy on write */
 	/* boolean_t */		shadowed: 1,	/* Shadow may exist */
@@ -394,20 +391,9 @@ MACRO_END
 /*
  *	Page cache accounting.
  *
- *	The number of cached objects and pages can be read
- *	without holding any lock.
+ *	The page queues must be locked when changing these counters.
  */
-
-extern int	vm_object_cached_count;
-
-extern int	vm_object_cached_pages;
-decl_simple_lock_data(extern,vm_object_cached_pages_lock_data)
-
-#define vm_object_cached_pages_update(page_count)			\
-	MACRO_BEGIN							\
-	simple_lock(&vm_object_cached_pages_lock_data);			\
-	vm_object_cached_pages += (page_count);				\
-	simple_unlock(&vm_object_cached_pages_lock_data);		\
-	MACRO_END
+extern int	vm_object_external_count;
+extern int	vm_object_external_pages;
 
 #endif	/* _VM_VM_OBJECT_H_ */