Re: [PART2 Patch] node: cleanup node_state_attr

[David Rientjes]

On Wed, 31 Oct 2012, Wen Congyang wrote:

> diff --git a/drivers/base/node.c b/drivers/base/node.c
> index af1a177..5d7731e 100644
> --- a/drivers/base/node.c
> +++ b/drivers/base/node.c
> @@ -614,23 +614,23 @@ static ssize_t show_node_state(struct device *dev,
>  	{ __ATTR(name, 0444, show_node_state, NULL), state }
>  
>  static struct node_attr node_state_attr[] = {
> -	_NODE_ATTR(possible, N_POSSIBLE),
> -	_NODE_ATTR(online, N_ONLINE),
> -	_NODE_ATTR(has_normal_memory, N_NORMAL_MEMORY),
> -	_NODE_ATTR(has_cpu, N_CPU),
> +	[N_POSSIBLE] = _NODE_ATTR(possible, N_POSSIBLE),
> +	[N_ONLINE] = _NODE_ATTR(online, N_ONLINE),
> +	[N_NORMAL_MEMORY] = _NODE_ATTR(has_normal_memory, N_NORMAL_MEMORY),
>  #ifdef CONFIG_HIGHMEM
> -	_NODE_ATTR(has_high_memory, N_HIGH_MEMORY),
> +	[N_HIGH_MEMORY] = _NODE_ATTR(has_high_memory, N_HIGH_MEMORY),
>  #endif
> +	[N_CPU] = _NODE_ATTR(has_cpu, N_CPU),
>  };
>  

Why change the index for N_CPU?

>  static struct attribute *node_state_attrs[] = {
> -	&node_state_attr[0].attr.attr,
> -	&node_state_attr[1].attr.attr,
> -	&node_state_attr[2].attr.attr,
> -	&node_state_attr[3].attr.attr,
> +	&node_state_attr[N_POSSIBLE].attr.attr,
> +	&node_state_attr[N_ONLINE].attr.attr,
> +	&node_state_attr[N_NORMAL_MEMORY].attr.attr,
>  #ifdef CONFIG_HIGHMEM
> -	&node_state_attr[4].attr.attr,
> +	&node_state_attr[N_HIGH_MEMORY].attr.attr,
>  #endif
> +	&node_state_attr[N_CPU].attr.attr,
>  	NULL
>  };
>  
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