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Message-ID: <42F8E243.2060505@colorfullife.com>
Date: Tue, 09 Aug 2005 19:05:07 +0200
From: Manfred Spraul <manfred@colorfullife.com>
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To: Alexander Nyberg <alexn@telia.com>
CC: Christoph Lameter <christoph@lameter.com>, akpm@osdl.org,
       linux-kernel@vger.kernel.org
Subject: Re: [SLAB] __builtin_return_address use without FRAME_POINTER causes
 boot failure
References: <Pine.LNX.4.62.0508081353170.28612@graphe.net> <42F7D08E.9070508@colorfullife.com> <20050808215353.GA26384@localhost.localdomain>
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Alexander Nyberg wrote:

>My fault, I introduced a debugging patch (i think i cc'ed you on it)
>which used __builtin_return_address([12]) to save traces of who the
>caller of an object is.
>  
>
Ups. I still have your original mail in my inbox.
The correct way is check the whole stack and store all pointers that are 
in kernel_text_address(). See store_stack_info() in mm/slab.c.

--
    Manfred