linux-kernel - Re: [PATCH linux-next-20110718] Fix build error at mm/slab.c .

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Date:	Wed, 20 Jul 2011 20:37:00 +0300 (EEST)
From:	Pekka Enberg <penberg@...nel.org>
To:	Christoph Lameter <cl@...ux.com>
cc:	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH linux-next-20110718] Fix build error at mm/slab.c .

On Wed, 20 Jul 2011, Christoph Lameter wrote:

> On Wed, 20 Jul 2011, Pekka Enberg wrote:
>
>>> +++ linux-3.0-next/mm/slab.c
>>> @@ -3153,12 +3153,9 @@ static void *cache_alloc_debugcheck_afte
>>> 	objp += obj_offset(cachep);
>>> 	if (cachep->ctor && cachep->flags & SLAB_POISON)
>>> 		cachep->ctor(objp);
>>> -#if ARCH_SLAB_MINALIGN
>>> -	if ((u32)objp & (ARCH_SLAB_MINALIGN-1)) {
>>> +	if (ARCH_SLAB_MINALIGN && ((u32)objp & (ARCH_SLAB_MINALIGN-1)))
>>> 		printk(KERN_ERR "0x%p: not aligned to
>>> ARCH_SLAB_MINALIGN=%d\n",
>>> 		       objp, ARCH_SLAB_MINALIGN);
>>> -	}
>>> -#endif
>>> 	return objp;
>>
>> Looks good to me. Christoph?
>
> Looks okay but I thought you already had a patch that took out the #if
> there?

Indeed. Tetsuo, it's commit c225150 ("slab: fix DEBUG_SLAB build") in 
slab.git. It should appear in linux-next soon.

 			Pekka

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