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

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Date:	Fri, 13 Feb 2009 15:41:29 +0200
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Giuseppe CAVALLARO <peppe.cavallaro@...com>
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 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
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