PRED_FUNC_START 50 kernel/trace/trace_events_filter.c #define PRED_FUNC_MAX (OP_BAND - PRED_FUNC_START) PRED_FUNC_START 1106 kernel/trace/trace_events_filter.c if (WARN_ON_ONCE(op < PRED_FUNC_START)) PRED_FUNC_START 1108 kernel/trace/trace_events_filter.c pred_func_index = op - PRED_FUNC_START;