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Date: Wed, 15 Oct 2003 03:25:39 -0700
From: Andrew Morton <akpm@osdl.org>
To: Holger Kiehl <Holger.Kiehl@dwd.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Finding memory leak
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Holger Kiehl <Holger.Kiehl@dwd.de> wrote:
>
>    - Is it correct to assume that an application cannot be the cause
>       of the leak, ie. it can only be in kernel or a driver?

Yes.

>     - How can I really prove that its the driver leaking the memory?

Look for instances of kmalloc(n, ...) for n in the range 1025 to 2048 which
do not have a matching kfree.

>     - What is the meaning of size-2048 in slabinfo?

It is the pool which is used to satisfy kmalloc requests in the range 1025
to 2048 bytes inclusive.