From: David Rientjes <rientjes@google.com>
To: Geoffrey Thomas <geofft@mit.edu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sysrq: Don't panic_on_oom if the user requested an OOM kill.
Date: Mon, 18 May 2009 13:52:26 -0700 (PDT) [thread overview]
Message-ID: <alpine.DEB.2.00.0905181350400.2281@chino.kir.corp.google.com> (raw)
In-Reply-To: <1242643274-26733-1-git-send-email-geofft@mit.edu>
On Mon, 18 May 2009, Geoffrey Thomas wrote:
> If I specifically request an OOM kill via magic sysrq, I don't want
> panic_on_oom to apply and crash the machine. I ran into this on a server
> with panic_on_oom and automatic reboot after panic configured on the
> assumption that nobody is likely physically present. If I'm able to use
> magic sysrq, though, I can use that to reboot the machine slightly more
> safely, if that's what I wanted.
>
> This patch adds an extra parameter to out_of_memory to ignore the value
> of sysctl_panic_on_oom, and just proceed with the OOM kill.
>
> Signed-off-by: Geoffrey Thomas <geofft@mit.edu>
Nack, it's your own fault for asking for panic_on_oom and then not wanting
it to panic on oom.
Disable /proc/sys/vm/panic_on_oom before invoking the oom killer and then
reenable it afterwards.
next prev parent reply other threads:[~2009-05-18 20:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-18 10:41 Geoffrey Thomas
2009-05-18 20:52 ` David Rientjes [this message]
[not found] <cD8Tq-1IB-7@gated-at.bofh.it>
[not found] ` <cDi6w-7CM-27@gated-at.bofh.it>
2009-05-18 22:35 ` Bodo Eggert
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=alpine.DEB.2.00.0905181350400.2281@chino.kir.corp.google.com \
--to=rientjes@google.com \
--cc=geofft@mit.edu \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®