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Date:   Tue, 28 Apr 2020 20:05:41 +0200
From:   Oleg Nesterov <oleg@redhat.com>
To:     "Eric W. Biederman" <ebiederm@xmission.com>
Cc:     Linus Torvalds <torvalds@linux-foundation.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Linux FS Devel <linux-fsdevel@vger.kernel.org>,
        Alexey Dobriyan <adobriyan@gmail.com>,
        Alexey Gladkov <legion@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Alexey Gladkov <gladkov.alexey@gmail.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        "Paul E. McKenney" <paulmck@kernel.org>
Subject: Re: [PATCH v4 0/2] proc: Ensure we see the exit of each process tid
 exactly
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On 04/28, Eric W. Biederman wrote:
>
> In short I don't think this change will introduce any regressions.
>
> Eric W. Biederman (2):
>       rculist: Add hlists_swap_heads_rcu
>       proc: Ensure we see the exit of each process tid exactly once

Eric, sorry, I got lost.

Both changes look good to me, feel free to add my ack, but I presume
this is on top of next_tgid/lookup_task changes ? If yes, why did not
you remove has_group_leader_pid?

Oleg.