[PATCH] more kernel-doc cleanups, additions

Various core kernel-doc cleanups:
- add missing function parameters in ipc, irq/manage, kernel/sys,
  kernel/sysctl, and mm/slab;
- move description to just above function for kernel_restart()

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

kernel/irq/manage.c

@@ -24,6 +24,7 @@ cpumask_t __cacheline_aligned pending_irq_cpumask[NR_IRQS];
 
 /**
  *	synchronize_irq - wait for pending IRQ handlers (on other CPUs)
+ *	@irq: interrupt number to wait for
  *
  *	This function waits for any pending IRQ handlers for this interrupt
  *	to complete before returning. If you use this function while