linux-kernel - Re: [PATCH] kasan: change memory hot-add error messages to info messages

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Date:	Wed, 1 Jun 2016 18:36:50 +0300
From:	Andrey Ryabinin <aryabinin@...tuozzo.com>
To:	Shuah Khan <shuahkh@....samsung.com>, <glider@...gle.com>,
	<dvyukov@...gle.com>
CC:	<kasan-dev@...glegroups.com>, <linux-mm@...ck.org>,
	<linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] kasan: change memory hot-add error messages to info
 messages



On 06/01/2016 06:20 PM, Shuah Khan wrote:
> Change the following memory hot-add error messages to info messages. There
> is no need for these to be errors.
> 
> [    8.221108] kasan: WARNING: KASAN doesn't support memory hot-add
> [    8.221117] kasan: Memory hot-add will be disabled
> 
> Signed-off-by: Shuah Khan <shuahkh@....samsung.com>

Acked-by: Andrey Ryabinin <aryabinin@...tuozzo.com>

> ---
> Note: This is applicable to 4.6 stable releases.
> 
>  mm/kasan/kasan.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/mm/kasan/kasan.c b/mm/kasan/kasan.c
> index 18b6a2b..28439ac 100644
> --- a/mm/kasan/kasan.c
> +++ b/mm/kasan/kasan.c
> @@ -763,8 +763,8 @@ static int kasan_mem_notifier(struct notifier_block *nb,
>  
>  static int __init kasan_memhotplug_init(void)
>  {
> -	pr_err("WARNING: KASAN doesn't support memory hot-add\n");
> -	pr_err("Memory hot-add will be disabled\n");
> +	pr_info("WARNING: KASAN doesn't support memory hot-add\n");
> +	pr_info("Memory hot-add will be disabled\n");
>  
>  	hotplug_memory_notifier(kasan_mem_notifier, 0);
>  
>