}
	return s.isUserArenaChunk
}

// freeUserArenaChunk releases the user arena represented by s back to the runtime.
//
// x must be a live pointer within s.
//
// The runtime will set the user arena to fault once it's safe (the GC is no longer running)
// and then once the user arena is no longer referenced by the application, will allow it to
// be reused.
func freeUserArenaChunk(s *mspan, x unsafe.Pointer) {