linux-kernel - Re: [PATCH 02/12] nvmem: mtk-efuse: use stack for nvmem

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Message-ID: <CAK7LNATDZ2ngyOs=z7mjE6g95yWg2biNHMoFk29AgxgEEhn_+A@mail.gmail.com>
Date:   Fri, 20 Oct 2017 22:47:28 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 02/12] nvmem: mtk-efuse: use stack for nvmem_config
 instead of malloc'ing it

2017-10-20 22:34 GMT+09:00 Greg KH <gregkh@...uxfoundation.org>:
> On Mon, Oct 09, 2017 at 03:26:31PM +0200, srinivas.kandagatla@...aro.org wrote:
>> From: Masahiro Yamada <yamada.masahiro@...ionext.com>
>>
>> nvmem_register() copies all the members of nvmem_config to
>> nvmem_device.  So, nvmem_config is one-time use data during
>> probing.  There is no point to keep it until the driver detach.
>> Using stack should be no problem because nvmem_config is pretty
>> small.
>
> Same objection as previous patch, what is wrong with it as-is?
>

It is wasting memory.


-- 
Best Regards
Masahiro Yamada