edit: apparently the runtime option is called `init_on_alloc` and the compile-time option (which determines the default of the runtime option) is called `CONFIG_INIT_ON_FREE_DEFAULT_ON`.
• init_on_alloc (default set by CONFIG_INIT_ON_ALLOC_DEFAULT_ON)
• init_on_free (default set by CONFIG_INIT_ON_FREE_DEFAULT_ON)
edit: apparently the runtime option is called `init_on_alloc` and the compile-time option (which determines the default of the runtime option) is called `CONFIG_INIT_ON_FREE_DEFAULT_ON`.