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-rw-r--r--kernel/rcu/tree.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index f491ab4f2e8e..98d33902b65c 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -58,6 +58,14 @@ struct rcu_dynticks {
#endif /* #ifdef CONFIG_RCU_FAST_NO_HZ */
};
+/* Communicate arguments to a workqueue handler. */
+struct rcu_exp_work {
+ smp_call_func_t rew_func;
+ struct rcu_state *rew_rsp;
+ unsigned long rew_s;
+ struct work_struct rew_work;
+};
+
/* RCU's kthread states for tracing. */
#define RCU_KTHREAD_STOPPED 0
#define RCU_KTHREAD_RUNNING 1
@@ -157,6 +165,8 @@ struct rcu_node {
spinlock_t exp_lock ____cacheline_internodealigned_in_smp;
unsigned long exp_seq_rq;
wait_queue_head_t exp_wq[4];
+ struct rcu_exp_work rew;
+ bool exp_need_flush; /* Need to flush workitem? */
} ____cacheline_internodealigned_in_smp;
/*