pidfd_fops         73 include/linux/pid.h extern const struct file_operations pidfd_fops;
pidfd_fops       1678 kernel/fork.c  	if (file->f_op == &pidfd_fops)
pidfd_fops       1729 kernel/fork.c  const struct file_operations pidfd_fops = {
pidfd_fops       2044 kernel/fork.c  		pidfile = anon_inode_getfile("[pidfd]", &pidfd_fops, pid,
pidfd_fops        474 kernel/pid.c   	fd = anon_inode_getfd("[pidfd]", &pidfd_fops, get_pid(pid),