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Date: Wed, 22 Oct 2008 11:10:56 -0700 (PDT)
From: Christoph Lameter <cl@linux-foundation.org>
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To: Cyrill Gorcunov <gorcunov@gmail.com>
cc: Pekka Enberg <penberg@cs.helsinki.fi>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] SLUB - define OO_ macro instead of hardcoded numbers
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On Wed, 22 Oct 2008, Cyrill Gorcunov wrote:

> +#define OO_SHIFT	16
> +#define OO_MASK		((1 << OO_SHIFT) - 1)
> +#define MAX_OBJS_PER_PAGE	65535 /* see struct page.objects */

This is == OO_MASK right? Otherwise things will break when we change 
OO_SHIFT.