linux-kernel - Re: [PATCH] slab: fix slab flags for archs use alignment larger 64-bit

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Message-ID: <499BD53C.1000007@st.com>
Date:	Wed, 18 Feb 2009 10:30:36 +0100
From:	Giuseppe CAVALLARO <peppe.cavallaro@...com>
To:	Pekka Enberg <penberg@...helsinki.fi>
Cc:	Paul Mundt <lethal@...ux-sh.org>, linux-kernel@...r.kernel.org,
	linux-sh@...r.kernel.org, linux-mm@...r.kernel.org,
	Christoph Lameter <cl@...ux-foundation.org>
Subject: Re: [PATCH] slab: fix slab flags for archs use alignment larger 
 64-bit

Hi Pekka,
Pekka Enberg wrote:
> Hi Giuseppe,
>
> On Fri, Feb 13, 2009 at 4:11 PM, Giuseppe CAVALLARO
> <peppe.cavallaro@...com> wrote:
>   
>> @@ -2262,7 +2266,7 @@ kmem_cache_create (const char *name, size_t size, size_t align,
>>                ralign = align;
>>        }
>>        /* disable debug if necessary */
>> -       if (ralign > __alignof__(unsigned long long))
>> +       if (ralign > ARCH_SLAB_MAX_DEBUG_ALIGN)
>>                flags &= ~(SLAB_RED_ZONE | SLAB_STORE_USER);
>>        /*
>>         * 4) Store it.
>>     
>
> This doesn't address the issues raised by Paul at all.
>
>                                 Pekka
>   
Sorry for my late reply.
You are right.
I'm going to review this but this could take a while.
I'll go back to you as soon as possible.
Regards,
Peppe
//
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