linux-kernel - Re: [PATCH] mm: Warn about costly page allocation

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Date:	Mon, 9 Jul 2012 13:53:29 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Minchan Kim <minchan@...nel.org>
Cc:	Mel Gorman <mgorman@...e.de>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, Rik van Riel <riel@...hat.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [PATCH] mm: Warn about costly page allocation

On Mon, 9 Jul 2012 22:19:42 +0900
Minchan Kim <minchan@...nel.org> wrote:

> > As you are using printk_ratelimit()

include/linux/printk.h sayeth

/*
 * Please don't use printk_ratelimit(), because it shares ratelimiting state
 * with all other unrelated printk_ratelimit() callsites.  Instead use
 * printk_ratelimited() or plain old __ratelimit().
 */

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