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

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Message-ID: <alpine.LFD.2.00.1003231528100.3147@localhost.localdomain>
Date:	Tue, 23 Mar 2010 16:07:41 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Yinghai Lu <yinghai@...nel.org>
cc:	Ingo Molnar <mingo@...e.hu>, "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, 23 Mar 2010, Yinghai Lu wrote:

> 
> lmb_init() connect them back.
> 
> also add region_array_size in lmb_region to tack the region array size.
> 
> -v3: seperate lmb core change to seperated patch
> 
> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
> 
> ---
>  include/linux/lmb.h |    5 ++++-
>  lib/lmb.c           |   11 ++++++++++-
>  2 files changed, 14 insertions(+), 2 deletions(-)
> 
> Index: linux-2.6/include/linux/lmb.h
> ===================================================================
> --- linux-2.6.orig/include/linux/lmb.h
> +++ linux-2.6/include/linux/lmb.h
> @@ -26,7 +26,8 @@ struct lmb_property {
>  struct lmb_region {
>  	unsigned long cnt;
>  	u64 size;
> -	struct lmb_property region[MAX_LMB_REGIONS+1];
> +	struct lmb_property *region;
> +	unsigned long region_array_size;
>  };
>  
>  struct lmb {
> @@ -37,6 +38,8 @@ struct lmb {
>  };
>  
>  extern struct lmb lmb;
> +extern struct lmb_property lmb_memory_region[MAX_LMB_REGIONS + 1];
> +extern struct lmb_property lmb_reserved_region[MAX_LMB_REGIONS + 1];

Is there a reason why this needs to be exported ?

Thanks,

	tglx
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