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From: Georg Nikodym <georgn@somanetworks.com>
To: Linux/ARM Kernel List <linux-arm-kernel@lists.arm.linux.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: v2.4.19-rmk4 slab.c: /proc/slabinfo uses broken instead of slab labels
Date: Wed, 27 Nov 2002 16:40:05 -0500	[thread overview]
Message-ID: <200211272140.gARLe5wF007020@localhost.localdomain> (raw)
In-Reply-To: <200211272015.gARKFHwF006320@localhost.localdomain>

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On Wed, 27 Nov 2002 15:15:17 -0500
Georg Nikodym <georgn@somanetworks.com> wrote:

> 1. Is the ARM __get_user() broken?
> 2. Could I be doing something else broken that is confusing __get_user()?
> 3. What was/is the intent of the test?  Or stated differently, why on earth
>    would cachep->name be a user address?

In answer to my own question, reading the 2.5 source was illuminating. 
The intent of the test is obvious:

akpm     1.50         | 	/*
akpm     1.50         | 	 * Check to see if `name' resides inside a module which has been
akpm     1.50         | 	 * unloaded (someone forgot to destroy their cache)
akpm     1.50         | 	 */

Thanks to Mr. Morton for that comment.  Now I get to wrestle with questions 1 and 2.

-g

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  reply	other threads:[~2002-11-27 21:32 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-11-27 20:15 Georg Nikodym
2002-11-27 21:40 ` Georg Nikodym [this message]
2002-11-28 22:34 Manfred Spraul
2002-11-28 22:40 ` Russell King
2002-11-29 18:24   ` Manfred Spraul
2002-11-29 22:51     ` Russell King
2002-11-29 23:33       ` Manfred Spraul

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