[PATCH] kernel_stat cleanup

Patch from Dipankar Sarma <dipankar@gamebox.net>

This is a trivial cleanup removing two old unused macros from
kernel_stat.h that made no sense with the new per-CPU kstat.
Also included a few finicky coding style changes. Please apply.

include/linux/kernel_stat.h

@@ -35,22 +35,15 @@ DECLARE_PER_CPU(struct kernel_stat, kstat);
 
 extern unsigned long nr_context_switches(void);
 
-/*
- * Maybe we need to smp-ify kernel_stat some day. It would be nice to do
- * that without having to modify all the code that increments the stats.
- */
-#define KERNEL_STAT_INC(x) kstat.x++
-#define KERNEL_STAT_ADD(x, y) kstat.x += y
-
 #if !defined(CONFIG_ARCH_S390)
 /*
  * Number of interrupts per specific IRQ source, since bootup
  */
-static inline int kstat_irqs (int irq)
+static inline int kstat_irqs(int irq)
 {
 	int i, sum=0;
 
-	for (i = 0 ; i < NR_CPUS ; i++) 
+	for (i = 0; i < NR_CPUS; i++)
 		if (cpu_possible(i))
 			sum += kstat_cpu(i).irqs[irq];