rcu: Delete unused rcu_node "wakemask" field

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index c896b50..8e75609 100644 (file)
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -134,9 +134,6 @@ struct rcu_node {
                                /*  elements that need to drain to allow the */
                                /*  current expedited grace period to */
                                /*  complete (only for TREE_PREEMPT_RCU). */
-       atomic_t wakemask;      /* CPUs whose kthread needs to be awakened. */
-                               /*  Since this has meaning only for leaf */
-                               /*  rcu_node structures, 32 bits suffices. */
        unsigned long qsmaskinit;
                                /* Per-GP initial value for qsmask & expmask. */
        unsigned long grpmask;  /* Mask to apply to parent qsmask. */