linux-kernel - Re: [this_cpu_xx V9 5/7] this_cpu

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Message-ID: <4B42DCF7.9040609@kernel.org>
Date:	Tue, 05 Jan 2010 15:32:23 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Christoph Lameter <cl@...ux-foundation.org>
CC:	linux-kernel@...r.kernel.org, Mel Gorman <mel@....ul.ie>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Subject: Re: [this_cpu_xx V9 5/7] this_cpu_ops: page allocator conversion

On 01/05/2010 07:34 AM, Christoph Lameter wrote:
>  static int __cpuinit pageset_cpuup_callback(struct notifier_block *nfb,
>  		unsigned long action,
>  		void *hcpu)
>  {
>  	int cpu = (long)hcpu;
> -	int ret = NOTIFY_OK;
>  
>  	switch (action) {
>  	case CPU_UP_PREPARE:
>  	case CPU_UP_PREPARE_FROZEN:
> -		if (process_zones(cpu))
> -			ret = NOTIFY_BAD;
> -		break;
> -	case CPU_UP_CANCELED:
> -	case CPU_UP_CANCELED_FROZEN:
> -	case CPU_DEAD:
> -	case CPU_DEAD_FROZEN:
> -		free_zone_pagesets(cpu);
> +		node_set_state(cpu_to_node(cpu), N_CPU);
>  		break;
>  	default:
>  		break;

The above chunk causes build failure due to removed ret used later on
return statement.  Changed it to return NOTIFY_OK.

Thanks.

-- 
tejun
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