I don't think this was ever meant to be exposed to userspace.

Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
Reviewed-by: Andrew Waterman <redacted>
Reviewed-by: Albert Ou <aou@eecs.berkeley.edu>
---
 include/uapi/linux/raw.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/uapi/linux/raw.h b/include/uapi/linux/raw.h
index 62d543e70603..6d8d87524ff2 100644
--- a/include/uapi/linux/raw.h
+++ b/include/uapi/linux/raw.h

@@ -13,6 +13,8 @@ struct raw_config_request
 	__u64	block_minor;
 };
 
+#ifdef __KERNEL__
 #define MAX_RAW_MINORS CONFIG_MAX_RAW_DEVS
+#endif
 
 #endif /* __LINUX_RAW_H */

-- 
2.4.6