tag	line	file	source code
TIMER_BH	783	kernel/sched.c	mark_bh(TIMER_BH);
TIMER_BH	787	kernel/sched.c	mark_bh(TIMER_BH);
TIMER_BH	924	kernel/sched.c	bh_base[TIMER_BH].routine = timer_bh;
TIMER_BH	927	kernel/sched.c	enable_bh(TIMER_BH);