From: Maxin John <maxin.john@gmail.com>
To: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>, Matt Mackall <mpm@selenic.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] slub: slub_def.h: needs additional check for "index"
Date: Sat, 7 May 2011 03:03:53 +0300 [thread overview]
Message-ID: <BANLkTinAw7gxg8Q6D8pK3_pnPpidQa2-bA@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1105061355020.5832@router.home>
Hi,
On Fri, May 6, 2011 at 9:56 PM, Christoph Lameter <cl@linux.com> wrote:
> The value passed to kmalloc_slab is tested before the result is used.
> kmalloc_slab() only returns -1 for values > 4MB.
>
> The size of the object is checked against SLUB_MAX size which is
> significantly smaller than 4MB. 8kb by default.
>
> So kmalloc_slab() cannot return -1 if the parameter is checked first.
Thank you very much for pointing it out. I think it's a lot more clear
for me now.
Best Regards,
Maxin
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prev parent reply other threads:[~2011-05-07 0:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-06 18:28 Maxin John
2011-05-06 18:56 ` Christoph Lameter
2011-05-07 0:03 ` Maxin John [this message]
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