Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

===================================================================
RCS file: /ftp/cvs/cvsroot/src/sys/arch/i386/include/pte.h,v
rcsdiff: /ftp/cvs/cvsroot/src/sys/arch/i386/include/pte.h,v: warning: Unknown phrases like `commitid ...;' are present.
retrieving revision 1.18
retrieving revision 1.18.2.3
diff -u -p -r1.18 -r1.18.2.3
--- src/sys/arch/i386/include/pte.h	2008/12/21 11:18:19	1.18
+++ src/sys/arch/i386/include/pte.h	2011/03/28 23:04:43	1.18.2.3
@@ -1,4 +1,4 @@
-/*	$NetBSD: pte.h,v 1.18 2008/12/21 11:18:19 ad Exp $	*/
+/*	$NetBSD: pte.h,v 1.18.2.3 2011/03/28 23:04:43 jym Exp $	*/
 
 /*
  * Copyright (c) 2001 Wasabi Systems, Inc.
@@ -36,7 +36,6 @@
  */
 
 /*
- *
  * Copyright (c) 1997 Charles D. Cranor and Washington University.
  * All rights reserved.
  *
@@ -48,12 +47,6 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgment:
- *      This product includes software developed by Charles D. Cranor and
- *      Washington University.
- * 4. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
@@ -260,7 +253,12 @@ typedef uint32_t pt_entry_t;		/* PTE */
 
 #define	PG_KR		0x00000000	/* kernel read-only */
 #define	PG_KW		0x00000002	/* kernel read-write */
+
+#ifdef PAE
+#define	PG_NX		0x8000000000000000 /* No-execute */
+#else
 #define	PG_NX		0		/* dummy */
+#endif
 
 /*
  * page protection exception bits