workqueue: remove the comment about the old manager_arb mutex

The manager_arb mutex doesn't exist any more.

Signed-off-by: Lai Jiangshan <jiangshanlai@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index eeebfa65b0ef..636c6d702b93 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -165,7 +165,6 @@ struct worker_pool {
         DECLARE_HASHTABLE(busy_hash, BUSY_WORKER_HASH_ORDER);
                                                 /* L: hash of busy workers */
 
-        /* see manage_workers() for details on the two manager mutexes */
         struct worker           *manager;       /* L: purely informational */
         struct mutex            attach_mutex;   /* attach/detach exclusion */
         struct list_head        workers;        /* A: attached workers */