rxrpc: rxrpc_workqueue isn't used during memory reclaim

rxrpc_workqueue isn't depended upon while reclaiming memory. Convert
to alloc_workqueue() without WQ_MEM_RECLAIM.

Signed-off-by: Tejun Heo <[e-mail]>
Signed-off-by: David Howells <[e-mail]>
Cc: [e-mail]
Signed-off-by: Linus Torvalds <[e-mail]>

net/rxrpc/af_rxrpc.c

···
 		goto error_call_jar;
 	}
 
-	rxrpc_workqueue = create_workqueue("krxrpcd");
+	rxrpc_workqueue = alloc_workqueue("krxrpcd", 0, 1);
 	if (!rxrpc_workqueue) {
 		printk(KERN_NOTICE "RxRPC: Failed to allocate work queue\n");
 		goto error_work_queue;