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From: Michal Hocko <mhocko@kernel.org>
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>
Subject: Re: [RFC 1/3] oom, sysrq: Skip over oom victims and killed tasks
Date: Fri, 15 Jan 2016 11:12:18 +0100	[thread overview]
Message-ID: <20160115101218.GB14112@dhcp22.suse.cz> (raw)
In-Reply-To: <alpine.DEB.2.10.1601141347220.16227@chino.kir.corp.google.com>

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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  reply	other threads:[~2016-01-15 10:12 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-12 21:00 [RFC 0/3] oom: few enahancements Michal Hocko
2016-01-12 21:00 ` [RFC 1/3] oom, sysrq: Skip over oom victims and killed tasks Michal Hocko
2016-01-13  0:41   ` David Rientjes
2016-01-13  9:30     ` Michal Hocko
2016-01-14  0:38       ` David Rientjes
2016-01-14 11:00         ` Michal Hocko
2016-01-14 21:51           ` David Rientjes
2016-01-15 10:12             ` Michal Hocko [this message]
2016-01-15 15:37               ` One Thousand Gnomes
2016-01-19 23:01                 ` David Rientjes
2016-01-19 22:57               ` David Rientjes
2016-01-20  9:49                 ` Michal Hocko
2016-01-21  0:01                   ` David Rientjes
2016-01-21  9:15                     ` Michal Hocko
2016-01-12 21:00 ` [RFC 2/3] oom: Do not sacrifice already OOM killed children Michal Hocko
2016-01-13  0:45   ` David Rientjes
2016-01-13  9:36     ` Michal Hocko
2016-01-14  0:42       ` David Rientjes
2016-01-12 21:00 ` [RFC 3/3] oom: Do not try to sacrifice small children Michal Hocko
2016-01-13  0:51   ` David Rientjes
2016-01-13  9:40     ` Michal Hocko
2016-01-14  0:43       ` David Rientjes

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