redundant_hardirqs_off 3468 kernel/locking/lockdep.c debug_atomic_inc(redundant_hardirqs_off); redundant_hardirqs_off 174 kernel/locking/lockdep_internals.h unsigned long redundant_hardirqs_off; redundant_hardirqs_off 169 kernel/locking/lockdep_proc.c hr2 = debug_atomic_read(redundant_hardirqs_off),