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rcu/nocb: Remove obsolete nocb_head and nocb_tail fields

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Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
This commit is contained in:
Paul E. McKenney 2019-05-21 07:18:00 -07:00
parent 5d6742b377
commit e7f4c5b399
2 changed files with 0 additions and 4 deletions
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3
kernel/rcu/tree.h
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@ -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;

1
kernel/rcu/tree_plugin.h
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@ -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;