cancel_charge    3036 mm/memcontrol.c 		cancel_charge(memcg, nr_pages);
cancel_charge    5745 mm/memcontrol.c 		cancel_charge(mc.to, mc.precharge);
cancel_charge    5753 mm/memcontrol.c 		cancel_charge(mc.from, mc.moved_charge);
cancel_charge    6648 mm/memcontrol.c 	cancel_charge(memcg, nr_pages);