1 files changed, 5 insertions, 0 deletions
diff --git a/ractor_core.h b/ractor_core.h
index 9f87f15e55..3f367ad559 100644
--- a/ractor_core.h
+++ b/ractor_core.h
@@ -133,6 +133,11 @@ struct rb_ractor_struct {
     VALUE verbose;
     VALUE debug;
 
+    struct {
+        struct RVALUE *freelist;
+        struct heap_page *using_page;
+    } newobj_cache;
+
     // gc.c rb_objspace_reachable_objects_from
     struct gc_mark_func_data_struct {
         void *data;