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From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Chuansheng Liu <chuansheng.liu@intel.com>
Cc: lenb@kernel.org, len.brown@intel.com, linux-pm@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/3] intel_idle: set the state_tables array as __initdata to save mem
Date: Sat, 09 Mar 2013 04:01:01 +0100	[thread overview]
Message-ID: <513AA5ED.2030300@linaro.org> (raw)
In-Reply-To: <1362755169.31506.47.camel@cliu38-desktop-build>

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@intel.com>
> ---

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

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      reply	other threads:[~2013-03-09  3:01 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-07 16:42 [PATCH] intel_idle: set the state_tables array into __initdata to save mem Chuansheng Liu
2013-03-07  9:49 ` Daniel Lezcano
2013-03-08  0:44   ` Liu, Chuansheng
2013-03-08  0:44     ` Liu, Chuansheng
2013-03-08 15:02 ` [PATCH 0/3] " Chuansheng Liu
2013-03-08 15:03   ` [PATCH 1/3] intel_idle: changing the continue to break in intel_idle_cpu_init() Chuansheng Liu
2013-03-09  3:01     ` Daniel Lezcano
2013-03-08 15:04   ` [PATCH 2/3] intel_idle: Removing the redundant calculating for dev->state_count Chuansheng Liu
2013-03-09  3:00     ` Daniel Lezcano
2013-03-11  1:29       ` Liu, Chuansheng
2013-03-11  1:29         ` Liu, Chuansheng
2013-03-11 10:44     ` [PATCH 2/3 V2] " Chuansheng Liu
2013-03-11  9:08       ` Daniel Lezcano
2013-03-08 15:06   ` [PATCH 3/3] intel_idle: set the state_tables array as __initdata to save mem Chuansheng Liu
2013-03-09  3:01     ` Daniel Lezcano [this message]

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