linux-kernel - Re: [PATCH 3/5] SLUB: Replace __builtin_return_address(0) with _RET_IP

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Date:	Tue, 19 Aug 2008 22:05:06 +0300
From:	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>
To:	Christoph Lameter <cl@...ux-foundation.org>
Cc:	penberg@...helsinki.fi, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, rdunlap@...otime.net, mpm@...enic.com,
	tglx@...utronix.de, rostedt@...dmis.org,
	mathieu.desnoyers@...ymtl.ca, tzanussi@...il.com
Subject: Re: [PATCH 3/5] SLUB: Replace __builtin_return_address(0) with
	_RET_IP_.

On Tue, Aug 19, 2008 at 01:56:41PM -0500, Christoph Lameter wrote:

> Well maybe this patch will do it then:
> 
> Subject: slub: Use _RET_IP and use "unsigned long" for kernel text addresses
> 
> Use _RET_IP_ instead of buildint_return_address() and make slub use unsigned long
> instead of void * for addresses.
> 
> Signed-off-by: Christoph Lameter <cl@...ux-foundation.org>
> 
> ---
>  mm/slub.c |   46 +++++++++++++++++++++++-----------------------
>  1 file changed, 23 insertions(+), 23 deletions(-)

It seems Pekka just submitted something like this. Though I think using 0L
should be replaced with 0UL to be fully correct.

Pekka, should I test one of these variants and resubmit, or will you
merge it by yourself?

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