--- zzzz-none-000/linux-2.4.17/include/linux/kernel.h	2001-11-22 19:46:18.000000000 +0000
+++ sangam-fb-401/linux-2.4.17/include/linux/kernel.h	2005-05-13 14:48:10.000000000 +0000
@@ -11,6 +11,7 @@
 #include <linux/linkage.h>
 #include <linux/stddef.h>
 #include <linux/types.h>
+#include <linux/compiler.h>
 
 /* Optimization barrier */
 /* The "volatile" is due to gcc bugs */
@@ -79,8 +80,12 @@
 
 extern int session_of_pgrp(int pgrp);
 
-asmlinkage int printk(const char * fmt, ...)
-	__attribute__ ((format (printf, 1, 2)));
+#if !defined(CONFIG_NO_PRINTK)
+asmlinkage int printk(const char * fmt, ...) __attribute__ ((format (printf, 1, 2)));
+#else /*--- #if !defined(CONFIG_NO_PRINTK) ---*/
+#define printk(...) 
+asmlinkage int __printk(const char * fmt, ...) __attribute__ ((format (printf, 1, 2)));
+#endif /*--- #else ---*/ /*--- #if !defined(CONFIG_NO_PRINTK) ---*/
 
 extern int console_loglevel;
 
@@ -101,7 +106,8 @@
 extern int tainted;
 extern const char *print_tainted(void);
 
-#if DEBUG
+#if !defined(CONFIG_NO_PRINTK)
+#ifdef DEBUG
 #define pr_debug(fmt,arg...) \
 	printk(KERN_DEBUG fmt,##arg)
 #else
@@ -111,6 +117,10 @@
 
 #define pr_info(fmt,arg...) \
 	printk(KERN_INFO fmt,##arg)
+#else /*--- #if !defined(CONFIG_NO_PRINTK) ---*/
+#define pr_info(...) 
+#define pr_debug(...)
+#endif /*--- #else ---*/ /*--- #if !defined(CONFIG_NO_PRINTK) ---*/
 
 /*
  *      Display an IP address in readable format.
@@ -176,4 +186,6 @@
 	char _f[20-2*sizeof(long)-sizeof(int)];	/* Padding: libc5 uses this.. */
 };
 
-#endif
+#define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
+
+#endif /* _LINUX_KERNEL_H */