return
	}
	if runqputslow(pp, gp, h, t) {
		return
	}
	// the queue is not full, now the put above must succeed
	goto retry
}

// Put g and a batch of work from local runnable queue on global queue.
// Executed only by the owner P.
func runqputslow(pp *p, gp *g, h, t uint32) bool {
	var batch [len(pp.runq)/2 + 1]*g