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Date: Tue, 28 Apr 2009 22:20:24 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
       Frederic Weisbecker <fweisbec@gmail.com>
Subject: Re: [PATCH 5/5] ring-buffer: fix printk output
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On Wed, 29 Apr 2009 00:48:19 -0400 Steven Rostedt <rostedt@goodmis.org> wrote:

> -	printk_once(KERN_WARNING "Tracing recursion: depth[%d]:"
> +	printk_once(KERN_WARNING "Tracing recursion: depth[%ld]:"

hrmph.  I didn't know that printk_once() existed, and I should have
known.  I wonder how many other people don't know.

Should it use unlikely()?