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-rw-r--r--kernel/rcutree.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/rcutree.h b/kernel/rcutree.h
new file mode 100644
index 00000000000..5e872bbf07f
--- /dev/null
+++ b/kernel/rcutree.h
@@ -0,0 +1,10 @@
+
+/*
+ * RCU implementation internal declarations:
+ */
+extern struct rcu_state rcu_state;
+DECLARE_PER_CPU(struct rcu_data, rcu_data);
+
+extern struct rcu_state rcu_bh_state;
+DECLARE_PER_CPU(struct rcu_data, rcu_bh_data);
+