--- /dev/null
+/*
+ linux/kdev_t.h compatibility header
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __COMPAT_LINUX_KDEV_T_H_
+#define __COMPAT_LINUX_KDEV_T_H_
+
+#include <linux/version.h>
+#include_next <linux/kdev_t.h>
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+
+#ifndef major
+#define major(x) MAJOR(x)
+#endif
+#ifndef minor
+#define minor(x) MINOR(x)
+#endif
+
+#endif
+
+#endif /* __COMPAT_LINUX_KDEV_T_H_ */
+