Re: [2/7, v9] NUMA Hotplug Emulator: Add numa=possible option

[Andrew Morton]

On Fri, 10 Dec 2010 15:31:21 +0800
shaohui.zheng@xxxxxxxxx wrote:

> @@ -646,6 +647,15 @@ void __init initmem_init(unsigned long start_pfn, unsigned long last_pfn,
>  		numa_set_node(i, 0);
>  	memblock_x86_register_active_regions(0, start_pfn, last_pfn);
>  	setup_node_bootmem(0, start_pfn << PAGE_SHIFT, last_pfn << PAGE_SHIFT);
> +out: __maybe_unused

hm, I didn't know you could do that with labels.

Does it work?

> +	for (i = 0; i < numa_possible_nodes; i++) {
> +		int nid;
> +
> +		nid = first_unset_node(node_possible_map);
> +		if (nid == MAX_NUMNODES)
> +			break;
> +		node_set(nid, node_possible_map);
> +	}
>  }
>  
>  unsigned long __init numa_free_all_bootmem(void)
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