On 04/24, Christian Brauner wrote: > > + * pidfs_register_pid - pin a struct pid through pidfs > + * @pid: pid to pin > + * > + * Pin a struct pid through pidfs. Needs to be paired with > + * pidfds_put_put() to not risk leaking the pidfs dentry and inode. ^^^^^^^^^^^^^^ pidfs_put_pid ;) Can't review 2/4, for other patches in series Reviewed-by: Oleg Nesterov <oleg@xxxxxxxxxx>