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authorPaul E. McKenney <paulmck@linux.ibm.com>2019-05-21 07:18:00 -0700
committerPaul E. McKenney <paulmck@linux.ibm.com>2019-08-13 14:35:49 -0700
commite7f4c5b3998a3cf1bd8dbf110948075b47ac9b78 (patch)
treedcaefa489f93d3d6f72000baf9a79f431ec4f82d /kernel/rcu
parent5d6742b37727e111f4755155e59c5319cf5caa7b (diff)
downloadlinux-e7f4c5b3998a3cf1bd8dbf110948075b47ac9b78.tar.bz2
rcu/nocb: Remove obsolete nocb_head and nocb_tail fields
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Diffstat (limited to 'kernel/rcu')
-rw-r--r--kernel/rcu/tree.h3
-rw-r--r--kernel/rcu/tree_plugin.h1
2 files changed, 0 insertions, 4 deletions
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index 529eec2aa74d..74e3a4ab8095 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -194,8 +194,6 @@ struct rcu_data {
/* 5) Callback offloading. */
#ifdef CONFIG_RCU_NOCB_CPU
- struct rcu_head *nocb_head; /* CBs waiting for kthread. */
- struct rcu_head **nocb_tail;
atomic_long_t nocb_q_count; /* # CBs waiting for nocb */
atomic_long_t nocb_q_count_lazy; /* invocation (all stages). */
struct rcu_head *nocb_cb_head; /* CBs ready to invoke. */
@@ -211,7 +209,6 @@ struct rcu_data {
/* CBs waiting for GP. */
struct rcu_head **nocb_gp_tail;
bool nocb_gp_sleep; /* Is the nocb GP thread asleep? */
- bool nocb_gp_forced; /* Forced nocb GP thread wakeup? */
struct swait_queue_head nocb_gp_wq; /* For nocb kthreads to sleep on. */
bool nocb_cb_sleep; /* Is the nocb CB thread asleep? */
struct task_struct *nocb_cb_kthread;
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index feffc46cccb0..838e0caaf53a 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -1911,7 +1911,6 @@ void __init rcu_init_nohz(void)
/* Initialize per-rcu_data variables for no-CBs CPUs. */
static void __init rcu_boot_init_nocb_percpu_data(struct rcu_data *rdp)
{
- rdp->nocb_tail = &rdp->nocb_head;
init_swait_queue_head(&rdp->nocb_cb_wq);
init_swait_queue_head(&rdp->nocb_gp_wq);
rdp->nocb_cb_tail = &rdp->nocb_cb_head;