This looks like a -stable patch candidate. Once accepted this should probably be queued for v4.9+.
AFAICT, this was broken forever because single threaded workqueues are set with MEM_RECLAIM. If anything the Fixes tag is incorrect. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html