linux-kernel - Re: [PATCH 1/2] interconnect: Add character pointer initialization

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Message-ID: <2024090346-frame-scanner-8f61@gregkh>
Date: Tue, 3 Sep 2024 10:00:25 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: yi'bin ding <yibin.ding01@...il.com>
Cc: Yibin Ding <Yibin.Ding@...soc.com>, djakov@...nel.org,
	rafael@...nel.org, niuzhiguo84@...il.com, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, Hao_hao.Wang@...soc.com,
	Ke.Wang@...soc.com
Subject: Re: [PATCH 1/2] interconnect: Add character pointer initialization

Again, please do not top-post, please fix your email client.

On Tue, Sep 03, 2024 at 03:23:13PM +0800, yi'bin ding wrote:
> Thanks in advance，
> 
> That happens if you write to the file, but what happens if you never write
> to the file?  What happens when you remove the driver/module,shouldn't you
> free the memory then as well?
> 
> answer:If no write operation is performed on the node, this part of the
> memory will not be released before shutdown. The initialization operation
> of this module is performed by the swapper process, so this part of the
> memory will be released when the swapper process is terminated during
> shutdown.

What "swapper process" are you talking about here?  Specifics please.

confused,

greg k-h