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-rw-r--r--kernel/rcutree.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index 8e756099a1a8..26c9bb3166a3 100644
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -325,6 +325,11 @@ struct rcu_data {
 	struct task_struct *nocb_kthread;
 #endif /* #ifdef CONFIG_RCU_NOCB_CPU */
 
+	/* 8) RCU CPU stall data. */
+#ifdef CONFIG_RCU_CPU_STALL_INFO
+	unsigned int softirq_snap;	/* Snapshot of softirq activity. */
+#endif /* #ifdef CONFIG_RCU_CPU_STALL_INFO */
+
 	int cpu;
 	struct rcu_state *rsp;
 };