Index: sys/vm/vm_object.c
===================================================================
--- sys/vm/vm_object.c	(revision 247743)
+++ sys/vm/vm_object.c	(working copy)
@@ -755,7 +755,7 @@ vm_object_terminate(vm_object_t object)
 	if (__predict_false(!LIST_EMPTY(&object->rvq)))
 		vm_reserv_break_all(object);
 #endif
-	if (!vm_object_cache_is_empty(object))
+	if (__predict_false(!vm_object_cache_is_empty(object)))
 		vm_page_cache_free(object, 0, 0);
 
 	/*
@@ -1380,7 +1380,7 @@ retry:
 		 * should still be OBJT_DEFAULT and orig_object should not
 		 * contain any cached pages within the specified range.
 		 */
-		if (!vm_object_cache_is_empty(orig_object))
+		if (__predict_false(!vm_object_cache_is_empty(orig_object)))
 			vm_page_cache_transfer(orig_object, offidxstart,
 			    new_object);
 	}
@@ -1729,7 +1729,8 @@ vm_object_collapse(vm_object_t object)
 				/*
 				 * Free any cached pages from backing_object.
 				 */
-				if (!vm_object_cache_is_empty(backing_object))
+				if (__predict_false(
+				    !vm_object_cache_is_empty(backing_object)))
 					vm_page_cache_free(backing_object, 0, 0);
 			}
 			/*
@@ -1923,7 +1924,7 @@ again:
 	}
 	vm_object_pip_wakeup(object);
 skipmemq:
-	if (!vm_object_cache_is_empty(object))
+	if (__predict_false(!vm_object_cache_is_empty(object)))
 		vm_page_cache_free(object, start, end);
 }
 
Index: sys/vm/vm_object.h
===================================================================
--- sys/vm/vm_object.h	(revision 247743)
+++ sys/vm/vm_object.h	(working copy)
@@ -235,7 +235,7 @@ static __inline boolean_t
 vm_object_cache_is_empty(vm_object_t object)
 {
 
-	return (__predict_true(object->cache.rt_root == 0));
+	return (object->cache.rt_root == 0);
 }
 
 vm_object_t vm_object_allocate (objtype_t, vm_pindex_t);
Index: sys/vm/vm_page.c
===================================================================
--- sys/vm/vm_page.c	(revision 247743)
+++ sys/vm/vm_page.c	(working copy)
@@ -1017,7 +1017,7 @@ vm_page_cache_free(vm_object_t object, vm_pindex_t
 	boolean_t empty;
 
 	mtx_lock(&vm_page_queue_free_mtx);
-	if (vm_object_cache_is_empty(object)) {
+	if (__predict_false(vm_object_cache_is_empty(object))) {
 		mtx_unlock(&vm_page_queue_free_mtx);
 		return;
 	}
@@ -1136,7 +1136,7 @@ vm_page_is_cached(vm_object_t object, vm_pindex_t
 	 * exist.
 	 */
 	VM_OBJECT_LOCK_ASSERT(object, MA_OWNED);
-	if (vm_object_cache_is_empty(object))
+	if (__predict_true(vm_object_cache_is_empty(object)))
 		return (FALSE);
 	mtx_lock(&vm_page_queue_free_mtx);
 	m = vm_page_cache_lookup(object, pindex);