workqueue: Use INIT_WORK_ONSTACK in workqueue_softirq_dead()

dead_work is a stack variable.
Signed-off-by: Lai Jiangshan <jiangshan.ljs@antgroup.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

kernel/workqueue.c

@@ -3651,7 +3651,7 @@ void workqueue_softirq_dead(unsigned int cpu)
 		if (!need_more_worker(pool))
 			continue;
 
-		INIT_WORK(&dead_work.work, drain_dead_softirq_workfn);
+		INIT_WORK_ONSTACK(&dead_work.work, drain_dead_softirq_workfn);
 		dead_work.pool = pool;
 		init_completion(&dead_work.done);