Copy __must_be_array() define from include/linux/compiler.h for use in
the radix tree test suite userspace compiles.
Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
---
tools/testing/radix-tree/linux/kernel.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/testing/radix-tree/linux/kernel.h b/tools/testing/radix-tree/linux/kernel.h
index c400a27e544a..2c3771fff2c0 100644
--- a/tools/testing/radix-tree/linux/kernel.h
+++ b/tools/testing/radix-tree/linux/kernel.h
@@ -30,4 +30,6 @@
# define fallthrough do {} while (0) /* fallthrough */
#endif /* __has_attribute */
+#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
+
#endif /* _KERNEL_H */
--
2.30.2
