linux-kernel - Re: Kmemtrace(slab and slub, except slob) doesn't work on PPC64 board,

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Message-ID: <20090121211318.GA5272@localhost>
Date:	Wed, 21 Jan 2009 23:13:19 +0200
From:	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>
To:	Pekka Enberg <penberg@...helsinki.fi>
Cc:	????????? <liushengping@...nghua.org.cn>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Kmemtrace(slab and slub, except slob) doesn't work on PPC64
	board,

On Wed, Jan 21, 2009 at 02:01:55PM +0200, Pekka Enberg wrote:
> (I am cc'ing linux-kernel)
>
>
> Hmm, I can't really work out what exactly is going wrong there. I suspect 
> that the fact that ppc64 uses kmem_cache_alloc() for __pud_alloc() -> 
> pud_alloc_one() whereas x86 uses the page allocator is the culprit here.
>
> Eduard, thoughts?
>
> 		Pekka

Couldn't it be the same problem Ingo ran into? This is the relay
version, as far as I can tell. I'd suggest trying the ftrace version of
kmemtrace. In any case, it has been more recently updated.

http://git.kernel.org/?p=linux/kernel/git/tip/linux-2.6-tip.git


	Eduard

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