proc_uid_seq_operations 2869 fs/proc/base.c return proc_id_map_open(inode, file, &proc_uid_seq_operations); proc_uid_seq_operations 126 include/linux/user_namespace.h extern const struct seq_operations proc_uid_seq_operations; proc_uid_seq_operations 688 kernel/user_namespace.c const struct seq_operations proc_uid_seq_operations = {