1 files changed, 2 insertions, 0 deletions
diff --git a/internal/gc.h b/internal/gc.h
index 9470ceeccc..9435f26ffd 100644
--- a/internal/gc.h
+++ b/internal/gc.h
@@ -223,6 +223,8 @@ static inline void ruby_sized_xfree_inlined(void *ptr, size_t size);
 void rb_gc_ractor_newobj_cache_clear(rb_ractor_newobj_cache_t *newobj_cache);
 size_t rb_gc_obj_slot_size(VALUE obj);
 bool rb_gc_size_allocatable_p(size_t size);
+size_t *rb_gc_size_pool_sizes(void);
+size_t rb_gc_size_pool_id_for_size(size_t size);
 int rb_objspace_garbage_object_p(VALUE obj);
 bool rb_gc_is_ptr_to_obj(const void *ptr);