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authorNeeraj Upadhyay <quic_neeraju@quicinc.com>2021-12-13 12:32:09 +0530
committerPaul E. McKenney <paulmck@kernel.org>2022-02-01 17:19:02 -0800
commiteae9f147a4b02e132187a2d88a403b9ccc28212a (patch)
tree74676db98831b0c40723dc31f79982acdde12436 /kernel
parent02e3024175274ed4bf7912e7a1281b300cec76b5 (diff)
rcu: Remove unused rcu_state.boost
Signed-off-by: Neeraj Upadhyay <quic_neeraju@quicinc.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/rcu/tree.h5
-rw-r--r--kernel/rcu/tree_plugin.h2
2 files changed, 2 insertions, 5 deletions
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index 24dd4b0d805f..e9990945483f 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 c5b45c2f68a1..109429e70a64 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)))