x86: nmi_64.c: make code static

This patch makes the following needlessly global code static:
- panic_on_timeout
- setup_nmi_watchdog()
Signed-off-by: NAdrian Bunk <bunk@kernel.org>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

arch/x86/kernel/nmi_64.c

@@ -39,7 +39,7 @@ static cpumask_t backtrace_mask = CPU_MASK_NONE;
  *  0: the lapic NMI watchdog is disabled, but can be enabled
  */
 atomic_t nmi_active = ATOMIC_INIT(0);		/* oprofile uses this */
-int panic_on_timeout;
+static int panic_on_timeout;
 
 unsigned int nmi_watchdog = NMI_DEFAULT;
 static unsigned int nmi_hz = HZ;
@@ -136,7 +136,7 @@ int __init check_nmi_watchdog (void)
 	return 0;
 }
 
-int __init setup_nmi_watchdog(char *str)
+static int __init setup_nmi_watchdog(char *str)
 {
 	int nmi;
 

include/asm-x86/nmi_64.h

@@ -38,7 +38,6 @@ extern void die_nmi(char *str, struct pt_regs *regs, int do_panic);
 
 #define get_nmi_reason() inb(0x61)
 
-extern int panic_on_timeout;
 extern int unknown_nmi_panic;
 extern int nmi_watchdog_enabled;
 
@@ -57,7 +56,6 @@ extern void enable_timer_nmi_watchdog(void);
 extern int nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
 
 extern void nmi_watchdog_default(void);
-extern int setup_nmi_watchdog(char *);
 
 extern atomic_t nmi_active;
 extern unsigned int nmi_watchdog;