Re: [PATCH] cpufreq / intel_pstate: use vzalloc() instead of vmalloc()/memset(0)

[Dirk Brandewie <dirk.brandewie@gmail.com>]

On 05/13/2013 01:03 AM, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
>
> Use vzalloc() instead of vmalloc() and memset(0).
>
> Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

Acked-by: Dirk Brandewie <dirk.j.brandewie@intel.com>

> ---
>   drivers/cpufreq/intel_pstate.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
> index cc3a8e6..f59aecb 100644
> --- a/drivers/cpufreq/intel_pstate.c
> +++ b/drivers/cpufreq/intel_pstate.c
> @@ -788,10 +788,9 @@ static int __init intel_pstate_init(void)
>
>   	pr_info("Intel P-state driver initializing.\n");
>
> -	all_cpu_data = vmalloc(sizeof(void *) * num_possible_cpus());
> +	all_cpu_data = vzalloc(sizeof(void *) * num_possible_cpus());
>   	if (!all_cpu_data)
>   		return -ENOMEM;
> -	memset(all_cpu_data, 0, sizeof(void *) * num_possible_cpus());
>
>   	rc = cpufreq_register_driver(&intel_pstate_driver);
>   	if (rc)
>
> --
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