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From: Akinobu Mita <mita@miraclelinux.com>
To: Greg KH <greg@kroah.com>
Cc: linux-kernel@vger.kernel.org, akpm@osdl.org,
	Patrick Mochel <mochel@osdl.org>
Subject: Re: [patch 1/2] kref: detect kref_put() with unreferenced object
Date: Wed, 26 Apr 2006 10:17:19 +0800	[thread overview]
Message-ID: <20060426021719.GA5619@miraclelinux.com> (raw)
In-Reply-To: <20060426002628.GB24343@kroah.com>

> I really don't see how this is going to make it easier to debug
> anything.  Remember, when a kref goes to 0, it is automatically freed.
> So any code that tries to use it afterward just dies a horrible death,
> if CONFIG_DEBUG_SLAB is enabled.

Thanks, I finally understood it is not needed as you said.
So I can just remove that BUG_ON()es for detecting zero atomic_t counter
while I replace atomic_t counters with kref.

  reply	other threads:[~2006-04-26  2:17 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-25  8:21 [patch 0/2] kref debugging (retry) Akinobu Mita
2006-04-25  8:21 ` [patch 1/2] kref: detect kref_put() with unreferenced object Akinobu Mita
2006-04-26  0:26   ` Greg KH
2006-04-26  2:17     ` Akinobu Mita [this message]
2006-04-25  8:21 ` [patch 2/2] kref: kref debugging config option Akinobu Mita
2006-04-26  0:24   ` Greg KH

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