linux-kernel - Re: Misleading OOM messages

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Date:	Thu, 14 May 2009 15:00:07 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Dave Hansen <dave@...ux.vnet.ibm.com>
cc:	Christoph Lameter <cl@...ux-foundation.org>,
	Pavel Machek <pavel@....cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Nick Piggin <npiggin@...e.de>, Mel Gorman <mel@....ul.ie>,
	Peter Ziljstra <a.p.ziljstra@...llo.nl>,
	San Mehat <san@...roid.com>, Arve Hj?nnev?g <arve@...roid.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Misleading OOM messages

On Thu, 14 May 2009, Dave Hansen wrote:

> > > -	printk(KERN_ERR "%s: kill process %d (%s) score %li or a child\n",
> > > +	printk(KERN_ERR "No available memory %s: "
> > > +			"kill process %d (%s) score %li or a child\n",
> > >  					message, task_pid_nr(p), p->comm, points);
> > 
> > "No available memory" still suggests that plugging in more memory is the
> > right solution.
> 
> To me it at least adds the fact that more should be made *available* and
> not just that you're out of it.  So, definitely not perfect, but better
> than "out".
> 

I think "no allowable memory" followed by information on what is and is 
not allowed in that specific context would remove any ambiguity.
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