All of lore.kernel.org
 help / color / mirror / Atom feed
From: Coywolf Qi Hunt <coywolf@gmail.com>
To: Chris Friesen <cfriesen@nortel.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: any way to find out kernel memory usage?
Date: Thu, 28 Apr 2005 02:07:28 +0800	[thread overview]
Message-ID: <2cd57c90050427110717b6e841@mail.gmail.com> (raw)
In-Reply-To: <426FBFED.9090409@nortel.com>

On 4/28/05, Chris Friesen <cfriesen@nortel.com> wrote:
> 
> We recently had an issue with a kernel module leaking memory on unload,
> and a userspace app that unloaded it way too many times.
> 
> This ended up using up a bunch of memory, which triggered the oom-killer
> to run, which went wild killing everything in sight since userspace
> wasn't actually the culprt.
> 
> One idea we had to prevent this in the future is to configure the OOM
> killer to reset the system if the kernel uses more than a certain amount
> of memory.  (Reset is better than hang for our purposes.) Is there any

Curiously, how to reset? Reboot? (Teach oom killer to kill) or restart
the related
kernel thread?


> way to find out how much memory the kernel is using?  I don't see
> anything in /proc, but maybe something internal that isn't currently
> exported?
> 
> Chris



-- 
Coywolf Qi Hunt
http://sosdg.org/~coywolf/

  parent reply	other threads:[~2005-04-27 18:08 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-27 16:38 any way to find out kernel memory usage? Chris Friesen
2005-04-27 16:42 ` Artem B. Bityuckiy
2005-04-27 16:57   ` Chris Friesen
2005-04-27 17:20     ` Robert Love
2005-04-27 17:44       ` Chris Friesen
2005-04-27 17:47         ` Robert Love
2005-04-27 22:23           ` Mark Lord
2005-04-27 18:07 ` Coywolf Qi Hunt [this message]
2005-04-27 18:29   ` Richard B. Johnson

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=2cd57c90050427110717b6e841@mail.gmail.com \
    --to=coywolf@gmail.com \
    --cc=cfriesen@nortel.com \
    --cc=coywolf@lovecn.org \
    --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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.