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-rw-r--r--tools/perf/builtin-lock.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index b686fb6759da..f74dd869f88b 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -26,6 +26,7 @@
#include <linux/list.h>
#include <linux/hash.h>
+#include <linux/kernel.h>
static struct perf_session *session;