linux-kernel - Re: [PATCH 09/10] Change table chaining layout

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Date:	Tue, 23 Oct 2007 22:20:17 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Boaz Harrosh <bharrosh@...asas.com>, torvalds@...ux-foundation.org,
	linux-kernel@...r.kernel.org, mingo@...e.hu
Subject: Re: [PATCH 09/10] Change table chaining layout

On Tue, Oct 23 2007, Andi Kleen wrote:
> Jens Axboe <jens.axboe@...cle.com> writes:
> 
> >> You might want to put a BUG_ON(page & 0x3); Make sure
> >> you're not loosing information. (The m68k problem)
> >
> > That's a really good idea, thanks Boaz! I'll add that.
> 
> It would be even better if you replaced all the magic numbers with defines
> or better accessors.

All? There are two numbers, and all are confined to scatterlist.h
privately. Except the one in blk_rq_map_sg(), which was done on purpose
since I don't want to export that knowledge to others. So we definitely
don't want accessors, I can name the two bit values but don't see much
point in doing it.

-- 
Jens Axboe

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