From: Michal Hocko <mhocko@kernel.org>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
David Rientjes <rientjes@google.com>,
Kyle Walker <kwalker@redhat.com>,
Stanislav Kozina <skozina@redhat.com>,
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong fatal_signal_pending() check in oom_kill_process()
Date: Thu, 1 Oct 2015 14:49:42 +0200 [thread overview]
Message-ID: <20151001124941.GC24077@dhcp22.suse.cz> (raw)
In-Reply-To: <20150930182405.GA15238@redhat.com>
On Wed 30-09-15 20:24:05, Oleg Nesterov wrote:
[...]
> It is possible that the group leader
> has the pending SIGKILL because its sub-thread originated the coredump,
> in this case we must not skip this process.
I do not understand this. If the group leader has SIGKILL pending it
will die anyway regardless whether we send another sigkill or not, no?
Or is the issue that another SIGKILL will wake it up?
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2015-10-01 12:49 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-29 14:17 [PATCH -mm 0/3] mm/oom_kill: ensure we actually kill all tasks sharing the same mm Oleg Nesterov
2015-09-29 14:18 ` [PATCH -mm 1/3] mm/oom_kill: remove the wrong fatal_signal_pending() Oleg Nesterov
2015-09-29 22:36 ` David Rientjes
2015-09-30 1:42 ` Tetsuo Handa
2015-09-30 13:47 ` Oleg Nesterov
2015-09-30 15:20 ` [PATCH -mm 1/3] mm/oom_kill: remove the wrongfatal_signal_pending() Tetsuo Handa
2015-09-30 13:43 ` [PATCH -mm 1/3] mm/oom_kill: remove the wrong fatal_signal_pending() Oleg Nesterov
2015-09-29 14:18 ` [PATCH -mm 2/3] mm/oom_kill: cleanup the "kill sharing same memory" Oleg Nesterov
2015-09-29 22:39 ` David Rientjes
2015-09-30 13:49 ` Oleg Nesterov
2015-09-29 14:18 ` [PATCH -mm 3/3] mm/oom_kill: fix the wrong task->mm == mm checks in Oleg Nesterov
2015-09-29 22:41 ` David Rientjes
2015-09-30 13:50 ` Oleg Nesterov
2015-09-30 2:16 ` Tetsuo Handa
2015-09-30 13:59 ` Oleg Nesterov
2015-09-30 18:23 ` [PATCH -mm v2 0/3] mm/oom_kill: ensure we actually kill all tasks sharing the same mm Oleg Nesterov
2015-09-30 18:24 ` [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong fatal_signal_pending() check in oom_kill_process() Oleg Nesterov
2015-09-30 21:14 ` David Rientjes
2015-10-01 10:52 ` [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong fatal_signal_pending()check " Tetsuo Handa
2015-10-01 12:49 ` Michal Hocko [this message]
2015-10-01 15:00 ` [PATCH -mm v2 1/3] mm/oom_kill: remove the wrong fatal_signal_pending() check " Oleg Nesterov
2015-10-01 15:27 ` Michal Hocko
2015-10-01 15:41 ` Oleg Nesterov
2015-10-01 16:19 ` Michal Hocko
2015-10-01 17:53 ` Oleg Nesterov
2015-10-02 11:32 ` Tetsuo Handa
2015-10-02 12:11 ` Michal Hocko
2015-10-02 12:33 ` Tetsuo Handa
2015-10-02 13:32 ` Michal Hocko
2015-10-02 13:57 ` Oleg Nesterov
2015-10-02 14:24 ` Michal Hocko
2015-10-02 14:07 ` Tetsuo Handa
2015-10-02 14:15 ` Oleg Nesterov
2015-10-02 13:52 ` Oleg Nesterov
2015-10-02 14:36 ` Tetsuo Handa
2015-09-30 18:24 ` [PATCH -mm v2 2/3] mm/oom_kill: cleanup the "kill sharing same memory" loop Oleg Nesterov
2015-09-30 21:15 ` David Rientjes
2015-10-01 12:50 ` Michal Hocko
2015-09-30 18:24 ` [PATCH -mm v2 3/3] mm/oom_kill: fix the wrong task->mm == mm checks in oom_kill_process() Oleg Nesterov
2015-09-30 21:15 ` David Rientjes
2015-10-01 12:56 ` Michal Hocko
2015-10-01 22:24 ` Andrew Morton
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