linux-kernel - Re: circular locking: /proc/sys/vm/drop

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Message-ID: <20070223094003.GG4113@slug>
Date:	Fri, 23 Feb 2007 09:40:03 +0000
From:	Frederik Deweerdt <deweerdt@...e.fr>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: circular locking: /proc/sys/vm/drop_caches

On Fri, Feb 23, 2007 at 07:35:38AM +0100, Ingo Molnar wrote:
> 
> Andrew,
> 
> i just got the lockdep warning below when doing:
> 
>   echo 3 > /proc/sys/vm/drop_caches
> 
> is this a known quirk in the drop_caches code?
> 
This is known, yes: http://lkml.org/lkml/2006/12/4/19

Regards,
Frederik
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