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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next prev parent 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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