Initial Contribution
diff --git a/libc/kernel/common/linux/kdev_t.h b/libc/kernel/common/linux/kdev_t.h
new file mode 100644
index 0000000..517f9c3
--- /dev/null
+++ b/libc/kernel/common/linux/kdev_t.h
@@ -0,0 +1,18 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ *** This header was automatically generated from a Linux kernel header
+ *** of the same name, to make information necessary for userspace to
+ *** call into the kernel available to libc. It contains only constants,
+ *** structures, and macros generated from the original header, and thus,
+ *** contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _LINUX_KDEV_T_H
+#define _LINUX_KDEV_T_H
+
+#define MAJOR(dev) ((dev)>>8)
+#define MINOR(dev) ((dev) & 0xff)
+#define MKDEV(ma,mi) ((ma)<<8 | (mi))
+#endif