mem_cgroup_oom_synchronize  577 include/linux/memcontrol.h bool mem_cgroup_oom_synchronize(bool wait);
mem_cgroup_oom_synchronize 4037 mm/memory.c    			mem_cgroup_oom_synchronize(false);
mem_cgroup_oom_synchronize 1131 mm/oom_kill.c  	if (mem_cgroup_oom_synchronize(true))