printk: robustify printk, fix

fix:

 include/linux/kernel.h: In function ‘printk_needs_cpu':
 include/linux/kernel.h:217: error: parameter name omitted
Signed-off-by: Ingo Molnar <mingo@elte.hu>

include/linux/kernel.h

@@ -200,8 +200,6 @@ extern struct ratelimit_state printk_ratelimit_state;
 extern int printk_ratelimit(void);
 extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
 				   unsigned int interval_msec);
-extern void printk_tick(void);
-extern int printk_needs_cpu(int);
 #else
 static inline int vprintk(const char *s, va_list args)
 	__attribute__ ((format (printf, 1, 0)));
@@ -213,10 +211,11 @@ static inline int printk_ratelimit(void) { return 0; }
 static inline bool printk_timed_ratelimit(unsigned long *caller_jiffies, \
 					  unsigned int interval_msec)	\
 		{ return false; }
-static inline void printk_tick(void) { }
-static inline int printk_needs_cpu(int) { return 0; }
 #endif
 
+extern int printk_needs_cpu(int cpu);
+extern void printk_tick(void);
+
 extern void asmlinkage __attribute__((format(printf, 1, 2)))
 	early_printk(const char *fmt, ...);