From: Neeraj Upadhyay Date: Mon, 13 Dec 2021 07:02:09 +0000 (+0530) Subject: rcu: Remove unused rcu_state.boost X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=eae9f147a4b02e132187a2d88a403b9ccc28212a;p=linux.git rcu: Remove unused rcu_state.boost Signed-off-by: Neeraj Upadhyay Signed-off-by: Paul E. McKenney --- diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index 24dd4b0d805f1..e9990945483f1 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h @@ -304,9 +304,8 @@ struct rcu_state { /* The following fields are guarded by the root rcu_node's lock. */ - u8 boost ____cacheline_internodealigned_in_smp; - /* Subject to priority boost. */ - unsigned long gp_seq; /* Grace-period sequence #. */ + unsigned long gp_seq ____cacheline_internodealigned_in_smp; + /* Grace-period sequence #. */ unsigned long gp_max; /* Maximum GP duration in */ /* jiffies. */ struct task_struct *gp_kthread; /* Task for grace periods. */ diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index c5b45c2f68a15..109429e70a642 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -1175,8 +1175,6 @@ static void rcu_spawn_one_boost_kthread(struct rcu_node *rnp) if (rnp->boost_kthread_task || !rcu_scheduler_fully_active) return; - rcu_state.boost = 1; - t = kthread_create(rcu_boost_kthread, (void *)rnp, "rcub/%d", rnp_index); if (WARN_ON_ONCE(IS_ERR(t)))