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-rw-r--r--include/linux/rcupdate.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 46bd9a331..d2507168b 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -27,6 +27,7 @@
#include <linux/preempt.h>
#include <linux/bottom_half.h>
#include <linux/lockdep.h>
+#include <linux/cleanup.h>
#include <asm/processor.h>
#include <linux/cpumask.h>
#include <linux/context_tracking_irq.h>
@@ -1077,4 +1078,6 @@ rcu_head_after_call_rcu(struct rcu_head *rhp, rcu_callback_t f)
extern int rcu_expedited;
extern int rcu_normal;
+DEFINE_LOCK_GUARD_0(rcu, rcu_read_lock(), rcu_read_unlock())
+
#endif /* __LINUX_RCUPDATE_H */