This seems like the right approach to me.  I have pointed out a few
stylistic issues below.

On Tue, 2008-09-30 at 09:53 -0500, Jon Tollefson wrote:
<snip>
quoted text
> +	/* Mark reserved regions */
> +	for (i = 0; i < lmb.reserved.cnt; i++) {
> +		unsigned long physbase = lmb.reserved.region[i].base;
> +		unsigned long size = lmb.reserved.region[i].size;
> +		unsigned long start_pfn = physbase >> PAGE_SHIFT;
> +		unsigned long end_pfn = ((physbase+size-1) >> PAGE_SHIFT);

CodingStyle dictates that this should be:
unsigned long end_pfn = ((physbase + size - 1) >> PAGE_SHIFT);

<snip>

quoted text
> +/**
> + * get_node_active_region - Return active region containing start_pfn
> + * @start_pfn The page to return the region for.
> + *
> + * It will return NULL if active region is not found.
> + */
> +struct node_active_region *get_node_active_region(
> +							unsigned long start_pfn)

Bad style.  I think the convention would be to write it like this:

struct node_active_region *
get_node_active_region(unsigned long start_pfn)

quoted text
> +{
> +	int i;
> +	for (i = 0; i < nr_nodemap_entries; i++) {
> +		unsigned long node_start_pfn = early_node_map[i].start_pfn;
> +		unsigned long node_end_pfn = early_node_map[i].end_pfn;
> +
> +		if (node_start_pfn <= start_pfn && node_end_pfn > start_pfn)
> +			return &early_node_map[i];
> +	}
> +	return NULL;
> +}

Since this is using the early_node_map[], should we mark the function
__mminit?  

-- 
Adam Litke - (agl at us.ibm.com)
IBM Linux Technology Center

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