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Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong fatal_signal_pending() check in oom_kill_process()

From Oleg Nesterov <oleg@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong fatal_signal_pending() check in oom_kill_process()
Date 2015-10-02 16:10 +0200
Message-ID <qf9c6-5B4-23@gated-at.bofh.it> (permalink)
References (2 earlier) <qeQj8-3kO-21@gated-at.bofh.it> <qf6QW-26b-7@gated-at.bofh.it> <qf7tE-351-17@gated-at.bofh.it> <qf7N0-3r7-9@gated-at.bofh.it> <qf8J7-4MS-85@gated-at.bofh.it>
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On 10/02, Michal Hocko wrote:
>
> So clone without CLONE_THREAD should create a new thread group leader
> and so create a new thread group.

Yes.

> Unless there is some other trickery
> which I do not see right now for_each_thread from the parent task
> shouldn't see those which are cloned without CLONE_THREAD.

Yes.

But I still do not understand what are you talking about, sorry ;)

So let me say just in case that coredump (namely zap_threads()) will
also kill other thread groups with the same ->mm.

Oleg.

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[PATCH -mm v2 1/3] mm/oom_kill: remove the wrong  fatal_signal_pending() check in oom_kill_process() Oleg Nesterov <oleg@redhat.com> - 2015-09-30 20:30 +0200
  Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong fatal_signal_pending()check in oom_kill_process() Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> - 2015-10-01 13:00 +0200
  Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong  fatal_signal_pending() check in oom_kill_process() Michal Hocko <mhocko@kernel.org> - 2015-10-01 14:50 +0200
    Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong  fatal_signal_pending() check in oom_kill_process() Oleg Nesterov <oleg@redhat.com> - 2015-10-01 17:10 +0200
      Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong  fatal_signal_pending() check in oom_kill_process() Michal Hocko <mhocko@kernel.org> - 2015-10-01 17:30 +0200
        Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong  fatal_signal_pending() check in oom_kill_process() Oleg Nesterov <oleg@redhat.com> - 2015-10-01 17:50 +0200
          Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong  fatal_signal_pending() check in oom_kill_process() Michal Hocko <mhocko@kernel.org> - 2015-10-01 18:20 +0200
            Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong  fatal_signal_pending() check in oom_kill_process() Oleg Nesterov <oleg@redhat.com> - 2015-10-01 20:00 +0200
              Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong fatal_signal_pending() check in oom_kill_process() Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> - 2015-10-02 13:40 +0200
                Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong  fatal_signal_pending() check in oom_kill_process() Michal Hocko <mhocko@kernel.org> - 2015-10-02 14:20 +0200
                Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong fatal_signal_pending() check in oom_kill_process() Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> - 2015-10-02 14:40 +0200
                Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong  fatal_signal_pending() check in oom_kill_process() Michal Hocko <mhocko@kernel.org> - 2015-10-02 15:40 +0200
                Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong fatal_signal_pending() check in oom_kill_process() Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> - 2015-10-02 16:10 +0200
                Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong  fatal_signal_pending() check in oom_kill_process() Oleg Nesterov <oleg@redhat.com> - 2015-10-02 16:20 +0200
                Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong  fatal_signal_pending() check in oom_kill_process() Oleg Nesterov <oleg@redhat.com> - 2015-10-02 16:10 +0200
                Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong  fatal_signal_pending() check in oom_kill_process() Michal Hocko <mhocko@kernel.org> - 2015-10-02 16:30 +0200
                Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong  fatal_signal_pending() check in oom_kill_process() Oleg Nesterov <oleg@redhat.com> - 2015-10-02 16:00 +0200
                Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong fatal_signal_pending() check in oom_kill_process() Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> - 2015-10-02 16:40 +0200

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