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-rw-r--r--tools/lib/lockdep/uinclude/linux/kernel.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/lib/lockdep/uinclude/linux/kernel.h b/tools/lib/lockdep/uinclude/linux/kernel.h
index 276c7a8b2ed1..da87bd9ad2c1 100644
--- a/tools/lib/lockdep/uinclude/linux/kernel.h
+++ b/tools/lib/lockdep/uinclude/linux/kernel.h
@@ -7,6 +7,8 @@
#include <linux/hardirq.h>
#include <linux/kern_levels.h>
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
#ifndef container_of
#define container_of(ptr, type, member) ({ \
const typeof(((type *)0)->member) * __mptr = (ptr); \