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-rw-r--r--kernel/trace/trace.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 29a7ea59de50..b0408356f0e0 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -56,6 +56,7 @@ struct trace_array_cpu {
struct list_head trace_pages;
atomic_t disabled;
spinlock_t lock;
+ struct lock_class_key lock_key;
cycle_t time_offset;
/* these fields get copied into max-trace: */