PSI_MEM          3615 kernel/cgroup/cgroup.c 	return psi_show(seq, psi, PSI_MEM);
PSI_MEM          3662 kernel/cgroup/cgroup.c 	return cgroup_pressure_write(of, buf, nbytes, PSI_MEM);
PSI_MEM           984 kernel/sched/psi.c 	return psi_show(m, &psi_system, PSI_MEM);
PSI_MEM          1233 kernel/sched/psi.c 	return psi_write(file, user_buf, nbytes, PSI_MEM);