linux-kernel - Re: 2.6.22 -mm merge plans: slub

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Message-ID: <Pine.LNX.4.64.0705030928560.8386@schroedinger.engr.sgi.com>
Date:	Thu, 3 May 2007 09:30:59 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	William Lee Irwin III <wli@...omorphy.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Hugh Dickins <hugh@...itas.com>, haveblue@....com,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: 2.6.22 -mm merge plans: slub

On Thu, 3 May 2007, William Lee Irwin III wrote:

> I've seen this crash in flush_old_exec() before. ISTR it being due to
> slub vs. pagetable alignment or something on that order.

>From from other discussion regarding SLAB: It may be necessary for 
powerpc to set the default alignment to 8 bytes on 32 bit powerpc 
because it requires that alignemnt for 64 bit value. SLUB will *not* 
disable debugging like SLAB if you do that.
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