diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index 547f7f9..8fcdbc2 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -309,7 +309,10 @@
 	struct debug_obj *obj;
 	unsigned long flags;
 
-	fill_pool();
+#ifdef CONFIG_PREEMPT_RT_FULL
+	if (preempt_count() == 0 && !irqs_disabled())
+#endif
+		fill_pool();
 
 	db = get_bucket((unsigned long) addr);