--- zzzz-none-000/linux-2.4.17/include/linux/smp_lock.h	2001-11-22 19:46:27.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/include/linux/smp_lock.h	2004-11-24 13:21:40.000000000 +0000
@@ -3,7 +3,7 @@
 
 #include <linux/config.h>
 
-#ifndef CONFIG_SMP
+#if !defined(CONFIG_SMP) && !defined(CONFIG_PREEMPT)
 
 #define lock_kernel()				do { } while(0)
 #define unlock_kernel()				do { } while(0)