linux-kernel - Re: [PATCH 13/13] memblock, x86: Replace memblock_x86_reserve/free

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Message-ID: <4E1F53D9.2000606@zytor.com>
Date:	Thu, 14 Jul 2011 13:38:49 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Tejun Heo <tj@...nel.org>
CC:	mingo@...hat.com, tglx@...utronix.de, benh@...nel.crashing.org,
	yinghai@...nel.org, davem@...emloft.net,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	x86@...nel.org
Subject: Re: [PATCH 13/13] memblock, x86: Replace memblock_x86_reserve/free_range()
 with generic ones

On 07/14/2011 01:32 PM, Tejun Heo wrote:
> Hello,
> 
> On Thu, Jul 14, 2011 at 10:23 PM, H. Peter Anvin <hpa@...or.com> wrote:
>> On 07/14/2011 01:20 PM, Tejun Heo wrote:
>> Sorry I don't follow.  We display resources as [...] ranges, and in
>> particular when there are those kinds of brackets they tend to be
>> inclusive ranges.
>>
>> For the internal representation, of course, [ ) ranges or (base, length)
>> are the only sensible options.
> 
> [ ) ranges: e820, init_memory_mapping, NUMA nodes, Zone PFN ranges, PM
> nosave memory
> 
> [ ] ranges: MTRR, NODE_DATA, early_node_map, [mm]io ranges
> 
> Hmm... I was only looking at the early boot messages which didn't
> include the io ranges.  It ultimately is a cosmetic issue so my
> opinions aren't very strong but I think we can leave [mm]io ranges
> alone and converge the rest into [ ) ranges sans the brackets?
> 

Agreed it's a cosmetic issue... this discussion has already been had,
though, and the consensus is to move the kernel to the standardized
resource format.

	-hpa
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