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From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Christoph Lameter <clameter@sgi.com>
Cc: Vegard Nossum <vegard.nossum@gmail.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@elte.hu>, Andi Kleen <andi@firstfloor.org>,
	Richard Knutsson <ricknu-0@student.ltu.se>
Subject: Re: [PATCH 1/2] kmemcheck v3
Date: Fri, 08 Feb 2008 08:33:57 +0200	[thread overview]
Message-ID: <47ABF7D5.7040406@cs.helsinki.fi> (raw)
In-Reply-To: <47ABF715.60407@cs.helsinki.fi>

Pekka Enberg wrote:
> No. We need to not track the whole page to avoid recursive faults. So 
> for kmemcheck we absolutely do need cache_cache but we can, of course, 
> hide that under a alloc_cache() function that only uses the extra cache 
> when CONFIG_KMEMCHECK is enabled?

Btw, one option is to have a new _page flag_ so that we no longer need 
to look inside struct kmem_cache in the page fault handler.

			Pekka



  reply	other threads:[~2008-02-08  6:35 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-07 21:36 [PATCH 1/2] kmemcheck v3 Vegard Nossum
2008-02-07 21:39 ` [PATCH 2/2] " Vegard Nossum
2008-02-07 21:53 ` [PATCH 1/2] " Christoph Lameter
2008-02-07 22:12   ` Vegard Nossum
2008-02-07 22:53     ` Christoph Lameter
2008-02-07 23:18       ` Vegard Nossum
2008-02-07 23:32         ` Christoph Lameter
2008-02-08  6:40           ` Pekka Enberg
2008-02-08  8:09             ` Ingo Molnar
2008-02-08  6:30       ` Pekka Enberg
2008-02-08  6:33         ` Pekka Enberg [this message]
2008-02-08  7:10 ` Christoph Lameter
2008-02-08  7:48   ` Pekka Enberg
2008-02-08 11:55 ` Andi Kleen
2008-02-08 11:31   ` Pekka Enberg
2008-02-08 12:10     ` Andi Kleen
2008-02-08 11:39       ` Pekka Enberg
2008-02-08 11:37   ` Pekka Enberg
2008-02-08 12:15     ` Andi Kleen
2008-02-08 11:43       ` Pekka Enberg
2008-02-08 12:18   ` Vegard Nossum
2008-02-08 13:20     ` Andi Kleen
2008-02-08 12:59       ` Vegard Nossum
2008-02-08 13:48         ` Andi Kleen
2008-02-09  9:33           ` Ingo Molnar

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