linux-kernel - Re: Memory issues with Opteron 6220

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Message-ID: <20120211134847.GD28098@elte.hu>
Date:	Sat, 11 Feb 2012 14:48:47 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Jesper Krogh <jesper@...gh.cc>
Cc:	linux-kernel@...r.kernel.org, jk@...ozymes.com,
	Andrew Morton <akpm@...ux-foundation.org>,
	Yinghai Lu <yinghai@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, Tejun Heo <tj@...nel.org>,
	herrmann.der.user@...glemail.com
Subject: Re: Memory issues with Opteron 6220


* Jesper Krogh <jesper@...gh.cc> wrote:

> [...]
> 
> I would admit that we could have saved a significant of 
> time/fustration if dmesg had revealed a message that it was 
> the overcommit limits being hit and thus knocking off the 
> processes.

It would be helpful if you could enhance the printk in such a 
way, and if you tested it with your workload that triggers it - 
and send us the resulting patch. Having more information in the 
dmesg is never bad.

Thanks,

	Ingo
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