linux-kernel - Re: [RFC PATCH -v3 1/2] lmb: seperate region array from lmb

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Message-ID: <20100323131839.GA31552@linux-sh.org>
Date:	Tue, 23 Mar 2010 22:18:39 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Yinghai Lu <yinghai@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [RFC PATCH -v3 1/2] lmb: seperate region array from lmb_region struct

On Tue, Mar 23, 2010 at 11:42:41AM +0100, Ingo Molnar wrote:
> 
> * Yinghai Lu <yinghai@...nel.org> wrote:
> 
> >  void __init lmb_init(void)
> >  {
> > +	lmb.memory.region   = lmb_memory_region;
> > +	lmb.memory.region_array_size   = ARRAY_SIZE(lmb_memory_region);
> > +	lmb.reserved.region = lmb_reserved_region;
> > +	lmb.reserved.region_array_size = ARRAY_SIZE(lmb_reserved_region);
> > +
> 
> That's rather unreadable and has random whitespace noise.
> 
> Should be something like:
> 
> 	lmb.memory.region		= lmb_memory_region;
> 	lmb.memory.region_array_size	= ARRAY_SIZE(lmb_memory_region);
> 	lmb.reserved.region		= lmb_reserved_region;
> 	lmb.reserved.region_array_size	= ARRAY_SIZE(lmb_reserved_region);
> 
> also, i'd suggest to shorten region_array_size to region_size (we know it's an 
> array), so it would become:
> 
> 	lmb.memory.region	 = lmb_memory_region;
> 	lmb.memory.region_size	 = ARRAY_SIZE(lmb_memory_region);
> 
I don't mean to be pedantic, but the LMB code already has a lot of
region.size references so region_size looks a bit awkward. All of the
accessors in linux/lmb.h use region_nr as the array index, so perhaps
nr_regions would be less ambiguous.
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