linux-kernel - Re: [PATCH] mm: get_nid_for

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Message-ID: <20090119175919.GA7476@us.ibm.com>
Date:	Mon, 19 Jan 2009 09:59:19 -0800
From:	Gary Hade <garyhade@...ibm.com>
To:	Roel Kluin <roel.kluin@...il.com>
Cc:	garyhade@...ibm.com, Ingo Molnar <mingo@...e.hu>,
	lkml <linux-kernel@...r.kernel.org>, linux-mm@...ck.org
Subject: Re: [PATCH] mm: get_nid_for_pfn() returns int

On Sun, Jan 18, 2009 at 11:36:28PM +0100, Roel Kluin wrote:
> get_nid_for_pfn() returns int
> 
> Signed-off-by: Roel Kluin <roel.kluin@...il.com>
> ---
> vi drivers/base/node.c +256
> static int get_nid_for_pfn(unsigned long pfn)
> 
> diff --git a/drivers/base/node.c b/drivers/base/node.c
> index 43fa90b..f8f578a 100644
> --- a/drivers/base/node.c
> +++ b/drivers/base/node.c
> @@ -303,7 +303,7 @@ int unregister_mem_sect_under_nodes(struct memory_block *mem_blk)
>  	sect_start_pfn = section_nr_to_pfn(mem_blk->phys_index);
>  	sect_end_pfn = sect_start_pfn + PAGES_PER_SECTION - 1;
>  	for (pfn = sect_start_pfn; pfn <= sect_end_pfn; pfn++) {
> -		unsigned int nid;
> +		int nid;
> 
>  		nid = get_nid_for_pfn(pfn);
>  		if (nid < 0)

My mistake.  Good catch.

Thanks,
Gary

-- 
Gary Hade
System x Enablement
IBM Linux Technology Center
503-578-4503  IBM T/L: 775-4503
garyhade@...ibm.com
http://www.ibm.com/linux/ltc
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