From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj@kernel.org>
Subject: Re: [RFC v2 3/6] kthread: warn on kill signal if not OOM
Date: Tue, 9 Sep 2014 12:25:29 +0900
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Cc: Lennart Poettering <lennart@poettering.net>,
	Kay Sievers <kay@vrfy.org>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Wu Zhangjin <falcon@meizu.com>, Takashi Iwai <tiwai@suse.de>,
	Arjan van de Ven <arjan@linux.intel.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Oleg Nesterov <oleg@redhat.com>, hare@suse.com,
	Andrew Morton <akpm@linux-foundation.org>,
	Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
	Joseph Salisbury <joseph.salisbury@canonical.com>,
	Benjamin Poirier <bpoirier@suse.de>,
	Santosh Rastapur <santosh@chelsio.com>,
	One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>,
	Tim Gardner <tim.gardner@canonical.com>,
	Pierre Fersing <pierre-fersing@pierref.org>,
	Nagalakshmi Nandigama <nagalakshmi.nandigama@avagotech.com>,
	Praveen Krishnamoorthy <praveen.krishnamoorthy@avagotech.com>,
	Sreekanth Redd
To: "Luis R. Rodriguez" <mcgrof@do-not-panic.com>
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Hello,

On Mon, Sep 08, 2014 at 08:19:12PM -0700, Luis R. Rodriguez wrote:
> On the systemd side of things it should enable this sysctl and for
> older kernels what should it do?

Supposing the change is backported via -stable, it can try to set the
sysctl on all kernels.  If the knob doesn't exist, the fix is not
there and nothing can be done about it.

Thanks.

-- 
tejun