linux-kernel - Re: [PATCH 1/2] kmemcheck v3

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Message-ID: <84144f020802080331j5bc01bc6naf1fe0192aadf70b@mail.gmail.com>
Date:	Fri, 8 Feb 2008 13:31:44 +0200
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"Andi Kleen" <andi@...stfloor.org>
Cc:	"Vegard Nossum" <vegard.nossum@...il.com>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Ingo Molnar" <mingo@...e.hu>,
	"Richard Knutsson" <ricknu-0@...dent.ltu.se>,
	"Christoph Lameter" <clameter@....com>
Subject: Re: [PATCH 1/2] kmemcheck v3

Hi Andi,

On Feb 8, 2008 1:55 PM, Andi Kleen <andi@...stfloor.org> wrote:
> Impressive patch! On the other hand a lot of the interesting
> data isn't it kmalloc anymore, but in slab. Does it really track
> all that much?

It tracks all slab caches. What we're not tracking is pages from the
page allocator that are directly used by callers. We had some
discussion of this already and we definitely want to extend it to
cover that too later on.
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