pid_array_to_buf 2143 kernel/cgroup.c 		ctr->bufsz = pid_array_to_buf(&c, sizeof(c), pidarray, npids) + 1;
pid_array_to_buf 2147 kernel/cgroup.c 		ctr->bufsz = pid_array_to_buf(ctr->buf, ctr->bufsz, pidarray, npids);