2721 	bool drained = false;  in try_charge()  local
2781 	if (!drained) {  in try_charge()
2783 		drained = true;  in try_charge()
3373 	bool drained = false;  in mem_cgroup_resize_max()  local
3404 		if (!drained) {  in mem_cgroup_resize_max()
3406 			drained = true;  in mem_cgroup_resize_max()
6362 	bool drained = false;  in memory_high_write()  local
6383 		if (!drained) {  in memory_high_write()
6385 			drained = true;  in memory_high_write()
6411 	bool drained = false;  in memory_max_write()  local
6431 		if (!drained) {  in memory_max_write()
6433 			drained = true;  in memory_max_write()