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From: Andi Kleen <ak@suse.de>
To: Dave Jones <davej@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: frequent slab corruption (since a long time)
Date: Wed, 2 Aug 2006 06:35:00 +0200	[thread overview]
Message-ID: <200608020635.00991.ak@suse.de> (raw)
In-Reply-To: <20060802042200.GA30216@redhat.com>

On Wednesday 02 August 2006 06:22, Dave Jones wrote:

> Problem with that approach is that DEBUG_PAGEALLOC makes things
> so damned slow that it's pretty much unusable, and this bug
> doesn't seem to want to repeat itself to order, so I doubt
> many people would put up with the slowdown long enough to chase it down.

Really?  It shouldn't be that much slower in theory. Do you
have numbers?

If it's a big problem it could probably be made faster by batching
the TLB flushes more.

-Andi

  reply	other threads:[~2006-08-02  4:37 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-02  2:16 frequent slab corruption (since a long time) Dave Jones
2006-08-02  2:34 ` Roland Dreier
2006-08-02  3:37 ` Andi Kleen
2006-08-02  4:22   ` Dave Jones
2006-08-02  4:35     ` Andi Kleen [this message]
2006-08-02  4:46       ` Dave Jones
2006-08-02  5:05 ` David Miller
2006-08-02  5:31   ` David Miller
2006-08-02 22:23     ` Dave Jones
2006-08-02 22:49       ` David Miller
2006-08-03 17:40         ` Alan Cox
2006-08-03 17:56           ` Dave Jones
2006-08-03 20:48             ` Alan Cox
2006-08-02 23:14       ` Alan Cox

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