From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: [PATCH -mm 2/3] Freezer: Use wait queue instead of
	busy looping
Date: Thu, 2 Aug 2007 13:15:18 +0200
Message-ID: <200708021315.18851.rjw@sisk.pl>
References: <200708012328.23939.rjw@sisk.pl> <200708012332.48798.rjw@sisk.pl>
	<20070801164831.ed40546d.akpm@linux-foundation.org>
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To: Andrew Morton <akpm@linux-foundation.org>
Cc: pm list <linux-pm@lists.linux-foundation.org>, Nigel Cunningham <nigel@nigel.suspend2.net>, LKML <linux-kernel@vger.kernel.org>, Pavel Machek <pavel@ucw.cz>, Oleg Nesterov <oleg@tv-sign.ru>
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On Thursday, 2 August 2007 01:48, Andrew Morton wrote:
> On Wed, 1 Aug 2007 23:32:48 +0200
> "Rafael J. Wysocki" <rjw@sisk.pl> wrote:
> 
> > +/*
> > + * Used to notify try_to_freeze_tasks() that the refrigerator has been entered
> > + * by a task.
> > + */
> > +static int refrigerator_called;
> 
> this is rather icky.

Well, the alternative would be to open code something like wait_event_timeout.