linux-kernel - Re: [PATCH 02/46] x86, mm: Split out split_mem_range from init_memory

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Message-ID: <50A1F0D6.7040403@gmail.com>
Date:	Tue, 13 Nov 2012 15:03:50 +0800
From:	snakky.zhang@...il.com
To:	Yinghai Lu <yinghai@...nel.org>
CC:	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Jacob Shin <jacob.shin@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 02/46] x86, mm: Split out split_mem_range from init_memory_mapping

On 2012年11月13日 14:20, Yinghai Lu wrote:
> On Mon, Nov 12, 2012 at 9:51 PM, Yasuaki Ishimatsu
> <isimatu.yasuaki@...fujitsu.com> wrote:
>> 2012/11/13 6:17, Yinghai Lu wrote:
>>> +     nr_range = 0;
>> This is unnecessary since it is set in the below.
>>
>>> +     nr_range = split_mem_range(mr, nr_range, start, end);
>                                                               ^^^^^^^^
Why not use 0 directly?

nr_range = split_mem_range(mr, 0, start, end);



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