__this_cpu_sub
__this_cpu_sub(cpu_hw_events.n_added, __this_cpu_read(cpu_hw_events.n_txn));
__this_cpu_sub(cpu_hw_events.n_events, __this_cpu_read(cpu_hw_events.n_txn));
__this_cpu_sub(cpu_hw_events.n_pair, __this_cpu_read(cpu_hw_events.n_txn_pair));
__this_cpu_sub(cpu_hw_events.n_metric, __this_cpu_read(cpu_hw_events.n_txn_metric));
#define __this_cpu_dec(pcp) __this_cpu_sub(pcp, 1)
__this_cpu_sub(*fbc->counters, count);
__this_cpu_sub(*fbc->counters, count - amount);
__this_cpu_sub(*fbc->counters, count);
__this_cpu_sub(*fbc->counters, count);
__this_cpu_sub(ulong_counter, ui_one);
__this_cpu_sub(long_counter, ui_one);