Can't see a reason not to allow signals to interrupt the wait.
Signed-off-by: Andy Grover <andy.grover@oracle.com>
  */
 void rds_message_wait(struct rds_message *rm)
 {
-       wait_event(rds_message_flush_waitq,
+       wait_event_interruptible(rds_message_flush_waitq,
                        !test_bit(RDS_MSG_MAPPED, &rm->m_flags));
 }
 
 void rds_message_unmapped(struct rds_message *rm)
 {
        clear_bit(RDS_MSG_MAPPED, &rm->m_flags);
-       wake_up(&rds_message_flush_waitq);
+       wake_up_interruptible(&rds_message_flush_waitq);
 }
 EXPORT_SYMBOL_GPL(rds_message_unmapped);