linux-kernel - Re: [PATCH 3/3] intel_idle: set the state_tables array as _

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Date:	Sat, 09 Mar 2013 04:01:01 +0100
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Chuansheng Liu <chuansheng.liu@...el.com>
CC:	lenb@...nel.org, len.brown@...el.com, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] intel_idle: set the state_tables array as __initdata
 to save mem

On 03/08/2013 04:06 PM, Chuansheng Liu wrote:
> 
> Currently, in intel_idle.c, there are 5 state_tables array, every
> array size is sizeof(struct cpuidle_state) * CPUIDLE_STATE_MAX.
> 
> As in intel_idle_cpuidle_driver_init(), we have copied the data into
> intel_idle_driver->state[], so do not need to keep state_tables[]
> there any more after system init.
> 
> It will save about 3~4k memory, also benefits mobile devices.
> Here changing them as __initdata, also removing global var
> cpuidle_state_table pointer.
> 
> Signed-off-by: liu chuansheng <chuansheng.liu@...el.com>
> ---

Acked-by: Daniel Lezcano <daniel.lezcano@...aro.org>

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