--- Net2/vm/swap_pager.h	2018/04/24 18:03:57	1.1.1.1
+++ Net2/vm/swap_pager.h	2018/04/24 18:15:12	1.1.1.2
@@ -35,11 +35,12 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	@(#)swap_pager.h	7.1 (Berkeley) 12/5/90
+ *	from: @(#)swap_pager.h	7.1 (Berkeley) 12/5/90
+ *	swap_pager.h,v 1.3 1993/05/20 03:59:17 cgd Exp
  */
 
-#ifndef	_SWAP_PAGER_
-#define	_SWAP_PAGER_	1
+#ifndef _VM_SWAP_PAGER_H_
+#define _VM_SWAP_PAGER_H_
 
 /*
  * In the swap pager, the backing store for an object is organized as an
@@ -109,4 +110,4 @@ boolean_t	swap_pager_clean();
 
 #endif
 
-#endif	/* _SWAP_PAGER_ */
+#endif /* !_VM_SWAP_PAGER_H_ */