tag	line	file	source code
TIMER_BH	667	kernel/sched.c	mark_bh(TIMER_BH);
TIMER_BH	677	kernel/sched.c	mark_bh(TIMER_BH);
TIMER_BH	680	kernel/sched.c	mark_bh(TIMER_BH);
TIMER_BH	785	kernel/sched.c	bh_base[TIMER_BH].routine = timer_bh;