diff --git a/HACKING b/HACKING
index a49dd9f694..108fcd6cd3 100644
--- a/HACKING
+++ b/HACKING
@@ -65,3 +65,7 @@ Third-party Code and License Overview
   Source: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
   Current version we use: e2afe67453e5b1499459ee3596b1e7924a5208f5
 
+* include/cpu/generic/x86/arch/swab.h: GPLv2
+  Source: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
+  Current version we use: ?
+
diff --git a/include/cpu/generic/x86/arch/swab.h b/include/cpu/generic/x86/arch/swab.h
index cb07e35ee5..372b5865c4 100644
--- a/include/cpu/generic/x86/arch/swab.h
+++ b/include/cpu/generic/x86/arch/swab.h
@@ -1,19 +1,9 @@
-/*
-	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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+/**
+ * This file is part of the LinuxBIOS project.
+ *
+ * It is based on include/linux/byteorder/swab.h from the Linux kernel.
+ */
 
-*/
 #ifndef _SWAB_H
 #define _SWAB_H