linux-kernel - Re: [PATCH 7/7] cpufreq: intel_pstate: Make intel_pstate

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Message-ID: <alpine.DEB.2.02.1406091405540.30620@chino.kir.corp.google.com>
Date:	Mon, 9 Jun 2014 14:07:22 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Stratos Karafotis <stratosk@...aphore.gr>
cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Dirk Brandewie <dirk.j.brandewie@...el.com>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 7/7] cpufreq: intel_pstate: Make intel_pstate_kobject
 local

On Tue, 10 Jun 2014, Stratos Karafotis wrote:

> Since we never remove sysfs entry, we can make the intel_pstate_kobject
> local.
> 

For even more savings, this function and 
intel_pstate_debug_expose_params() can be annotated with __init and freed 
after bootstrap.

> Signed-off-by: Stratos Karafotis <stratosk@...aphore.gr>
> ---
>  drivers/cpufreq/intel_pstate.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
> index fa44f0f..9533fff 100644
> --- a/drivers/cpufreq/intel_pstate.c
> +++ b/drivers/cpufreq/intel_pstate.c
> @@ -387,10 +387,10 @@ static struct attribute *intel_pstate_attributes[] = {
>  static struct attribute_group intel_pstate_attr_group = {
>  	.attrs = intel_pstate_attributes,
>  };
> -static struct kobject *intel_pstate_kobject;
>  
>  static void intel_pstate_sysfs_expose_params(void)
>  {
> +	struct kobject *intel_pstate_kobject;
>  	int rc;
>  
>  	intel_pstate_kobject = kobject_create_and_add("intel_pstate",
--
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