linux-kernel - Re: [PATCH] kernel/hung_task: unexport sysctl_hung_task_timeout

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Message-ID: <ae67fb3a-1452-43e1-a756-cad27760f36e@linux.dev>
Date: Tue, 4 Nov 2025 20:56:28 +0800
From: Lance Yang <lance.yang@...ux.dev>
To: Christoph Hellwig <hch@....de>
Cc: mhiramat@...nel.org, linux-kernel@...r.kernel.org,
 akpm@...ux-foundation.org
Subject: Re: [PATCH] kernel/hung_task: unexport sysctl_hung_task_timeout_secs



On 2025/11/4 20:19, Christoph Hellwig wrote:
> This was added by the bcachefs pull requests despite various
> objections, and with bcachefs removed is now unused.
> 
> This reverts commit 5c3273ec3c6af356b29ff50a654f0dc33bf25a83.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> ---

Nice cleanup! LGTM:

Reviewed-by: Lance Yang <lance.yang@...ux.dev>

>   kernel/hung_task.c | 1 -
>   1 file changed, 1 deletion(-)
> 
> diff --git a/kernel/hung_task.c b/kernel/hung_task.c
> index b2c1f14b8129..1dfb9bc1bdef 100644
> --- a/kernel/hung_task.c
> +++ b/kernel/hung_task.c
> @@ -50,7 +50,6 @@ static unsigned long __read_mostly sysctl_hung_task_detect_count;
>    * Zero means infinite timeout - no checking done:
>    */
>   unsigned long __read_mostly sysctl_hung_task_timeout_secs = CONFIG_DEFAULT_HUNG_TASK_TIMEOUT;
> -EXPORT_SYMBOL_GPL(sysctl_hung_task_timeout_secs);
>   
>   /*
>    * Zero (default value) means use sysctl_hung_task_timeout_secs: