On Tue, Apr 21, 2020 at 12:19:04PM +0200, Oleg Nesterov wrote:
> Starting from 2c4704756cab ("pids: Move the pgrp and session pid pointers
> from task_struct to signal_struct") __task_pid_nr_ns() doesn't dereference
> task->group_leader, we can remove the pid_alive() check.
>
> pid_nr_ns() has to check pid != NULL anyway, pid_alive() just adds the
> unnecessary confusion.
>
> Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
> ---
Acked-by: Christian Brauner <christian.brauner@xxxxxxxxxx>
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