workqueue: function name in the comment differs from the real function name

modify wq_calc_node_mask to wq_calc_node_cpumask

Signed-off-by: Gong Zhaogang <gongzhaogang@inspur.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index a3915ab..4545f67 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -3428,7 +3428,7 @@
 }
 
 /**
- * wq_calc_node_mask - calculate a wq_attrs' cpumask for the specified node
+ * wq_calc_node_cpumask - calculate a wq_attrs' cpumask for the specified node
  * @attrs: the wq_attrs of the default pwq of the target workqueue
  * @node: the target NUMA node
  * @cpu_going_down: if >= 0, the CPU to consider as offline