diff --git a/include/asm-generic/fcntl.h b/include/asm-generic/fcntl.h
index b001d7f..b663520 100644
--- a/include/asm-generic/fcntl.h
+++ b/include/asm-generic/fcntl.h
@@ -1,6 +1,7 @@
 #ifndef _ASM_GENERIC_FCNTL_H
 #define _ASM_GENERIC_FCNTL_H
 
+#include <linux/config.h>
 #include <linux/types.h>
 
 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
@@ -121,4 +122,28 @@
 };
 #endif
 
+#ifndef CONFIG_64BIT
+
+#ifndef F_GETLK64
+#define F_GETLK64	12	/*  using 'struct flock64' */
+#define F_SETLK64	13
+#define F_SETLKW64	14
+#endif
+
+#ifndef HAVE_ARCH_STRUCT_FLOCK64
+#ifndef __ARCH_FLOCK64_PAD
+#define __ARCH_FLOCK64_PAD
+#endif
+
+struct flock64 {
+	short  l_type;
+	short  l_whence;
+	loff_t l_start;
+	loff_t l_len;
+	pid_t  l_pid;
+	__ARCH_FLOCK64_PAD
+};
+#endif
+#endif /* !CONFIG_64BIT */
+
 #endif /* _ASM_GENERIC_FCNTL_H */