tag	line	file	source code
TIMER_IRQ	366	arch/i386/kernel/time.c	if (request_irq(TIMER_IRQ, irq_handler, 0, "timer") != 0)
TIMER_IRQ	94	arch/sparc/kernel/time.c	request_irq(TIMER_IRQ, timer_interrupt, SA_INTERRUPT, "timer");