Date: Tue, 15 May 2012 15:36:52 -0500 (CDT)
From: Christoph Lameter <cl@linux.com>
To: Joonsoo Kim <js1304@gmail.com>
cc: Pekka Enberg <penberg@kernel.org>, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org, Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org
Subject: Re: [PATCH] slub: fix a memory leak in get_partial_node()
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On Wed, 16 May 2012, Joonsoo Kim wrote:

> In the case which is below,
>
> 1. acquire slab for cpu partial list
> 2. free object to it by remote cpu
> 3. page->freelist = t
>
> then memory leak is occurred.

Hmmm... Ok so we cannot assign page->freelist in get_partial_node() for
the cpu partial slabs. It must be done in the cmpxchg transition.

Acked-by: Christoph Lameter <cl@linux.com>
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