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Date: Fri, 15 Jan 2016 11:12:18 +0100
From: Michal Hocko <mhocko@kernel.org>
Subject: Re: [RFC 1/3] oom, sysrq: Skip over oom victims and killed tasks
Message-ID: <20160115101218.GB14112@dhcp22.suse.cz>
References: <1452632425-20191-1-git-send-email-mhocko@kernel.org>
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 <20160113093046.GA28942@dhcp22.suse.cz>
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To: David Rientjes <rientjes@google.com>
Cc: linux-mm@kvack.org, Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>, LKML <linux-kernel@vger.kernel.org>

On Thu 14-01-16 13:51:16, David Rientjes wrote:
> I think it's time to kill sysrq+F and I'll send those two patches
> unless there is a usecase I'm not aware of.

I have described one in the part you haven't quoted here. Let me repeat:
: Your system might be trashing to the point you are not able to log in
: and resolve the situation in a reasonable time yet you are still not
: OOM. sysrq+f is your only choice then.

Could you clarify why it is better to ditch a potentially usefull
emergency tool rather than to make it work reliably and predictably?
-- 
Michal Hocko
SUSE Labs

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