linux-kernel - Re: [PATCH 5/6] early_res: seperate common memmap func from e820.c to fw

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Message-ID: <20100310234620.GA3897@brick.ozlabs.ibm.com>
Date:	Thu, 11 Mar 2010 10:46:20 +1100
From:	Paul Mackerras <paulus@...ba.org>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH 5/6] early_res: seperate common memmap func from e820.c
 to fw_memmap.c

On Wed, Mar 10, 2010 at 01:24:26PM -0800, Yinghai Lu wrote:

> move it to kernel/fw_memmap.c from arch/x86/kernel/e820.c
> 
> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
> 
> ---
>  arch/x86/include/asm/e820.h |  130 -----
>  arch/x86/kernel/e820.c      | 1142 --------------------------------------------
>  include/linux/bootmem.h     |    2 
>  include/linux/fw_memmap.h   |  114 ++++
>  kernel/Makefile             |    2 
>  kernel/fw_memmap.c          | 1134 +++++++++++++++++++++++++++++++++++++++++++

Yuck.  So you think we should use > 1100 lines of fw_memmap.c code
instead of the 541 lines of lib/lmb.c?  Why exactly would that be
better?

Paul.
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