> There is something wrong with my description. is it feasible to describe as follows: > > The resucer is already free in "destroy_workqueue" and > "wq->rescuer = NULL" was executed, but in "rcu_free_wq" > it's release again (equivalent to kfree(NULL)), this is > unnecessary, so should remove. I find that this suggestion indicates further wording challenges. Please try another variant. Regards, Markus
