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Date: Tue, 2 Aug 2011 10:16:14 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: David Rientjes <rientjes@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Andi Kleen <andi@firstfloor.org>, linux-kernel@vger.kernel.org
Subject: Re: Revert needed: udev spewing warnons on common systems in 3.0
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> It was a printk_once() when the tunable was scheduled to be removed two 
> years later.  Now that one year has passed since the oom killer rewrite 
> has been merged, it was changed to a WARN_ONCE() simply to attract more 
> attention to the issue. 

For the most part the only people whose attention you need are the
distributions not the end users so the WARN isn't helpful.

Alan