diff -urN linux-2.4.21/Makefile linux-2.4.21-vaio3/Makefile
--- linux-2.4.21/Makefile	Fri Jun 13 16:51:39 2003
+++ linux-2.4.21-vaio3/Makefile	Fri Jun 20 00:01:18 2003
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 4
 SUBLEVEL = 23
-EXTRAVERSION =
+EXTRAVERSION = -vaio1
 
 KERNELRELEASE=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)