linux-kernel - Re: mm/slub.c warnings

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Message-ID: <Pine.LNX.4.64.0802091620440.13328@schroedinger.engr.sgi.com>
Date:	Sat, 9 Feb 2008 16:21:53 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	Vegard Nossum <vegard.nossum@...il.com>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Subject: Re: mm/slub.c warnings

On Sat, 9 Feb 2008, Vegard Nossum wrote:

> Hi,
> 
> I get these warnings when compiling mm/slub.c in linux-2.6.git:
> 
> mm/slub.c: In function 'slab_alloc':
> mm/slub.c:1637: warning: assignment makes pointer from integer without a cast
> mm/slub.c:1637: warning: assignment makes pointer from integer without a cast
> mm/slub.c: In function 'slab_free':
> mm/slub.c:1796: warning: assignment makes pointer from integer without a cast
> mm/slub.c:1796: warning: assignment makes pointer from integer without a cast
> 
> The actual lines are calls to cmpxchg_local(). This is probably
> because I'm compiling with M386. I'm guessing the source of the
> warnings is in include/asm-x86/cmpxchg_32.h, lines 283 and 286. Config
> attached.

Hmmm.. That cmpxchg local needs to be fixed? Mathieu?


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