From: Pekka Enberg <penberg@cs.helsinki.fi>
To: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
Cc: Christoph Lameter <cl@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [SLUB] change kmem_cache->align to record the real alignment
Date: Sat, 01 Aug 2009 18:28:31 +0300 [thread overview]
Message-ID: <4A745F1F.50304@cs.helsinki.fi> (raw)
In-Reply-To: <1248924491.2560.725.camel@ymzhang>
Zhang, Yanmin wrote:
> kmem_cache->align records the original align parameter value specified
> by users. Function calculate_alignment might change it based on cache
> line size. So change kmem_cache->align correspondingly.
>
> Signed-off-by: Zhang Yanmin <yanmin_zhang@linux.intel.com>
>
> ---
>
> --- linux-2.6.31-rc3/mm/slub.c 2009-07-20 00:29:39.000000000 +0800
> +++ linux-2.6.31-rc3_slubalign/mm/slub.c 2009-07-30 01:19:29.000000000 +0800
> @@ -2400,6 +2400,7 @@ static int calculate_sizes(struct kmem_c
> * on bootup.
> */
> align = calculate_alignment(flags, align, s->objsize);
> + s->align = align;
>
> /*
> * SLUB stores one object immediately after another beginning from
>
>
Applied, thanks!
prev parent reply other threads:[~2009-08-01 15:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-30 3:28 [SLUB] change kmem_cache->align to record the real alignment Zhang, Yanmin
2009-08-01 15:28 ` Pekka Enberg [this message]
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