Re: [PATCH v5 5/7] proc: instantiate only pids that we can ptrace on 'limit_pids=1' mount option

[Linus Torvalds]

On Fri, May 11, 2018 at 2:46 AM Alexey Gladkov <gladkov.alexey@xxxxxxxxx>
wrote:

> +       /* Limit procfs to only ptracable tasks */
> +       if (limit_pids == PROC_LIMIT_PIDS_PTRACE) {
> +               cond_resched();
> +               if (!has_pid_permissions(fs_info, task,
HIDEPID_NO_ACCESS))
> +                       goto out_put_task;
> +       }

Where did that "cond_resched()" come from? That doesn't seem to make a lot
of sense.

                    Linus