Re: [PATCH] mm: add restriction when memory_hotplug config enable

[Andrew Morton <akpm@linux-foundation.org>]

On Mon, 1 Aug 2016 23:00:51 +0800 zhongjiang <zhongjiang@huawei.com> wrote:

> From: zhong jiang <zhongjiang@huawei.com>
> 
> At present, It is obvious that memory online and offline will fail
> when KASAN enable,

huh, I didn't know that.  What's the problem and are there plans to fix it?

>  therefore, it is necessary to add the condition
> to limit the memory_hotplug when KASAN enable.
> 
> Signed-off-by: zhong jiang <zhongjiang@huawei.com>
> ---
>  mm/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/mm/Kconfig b/mm/Kconfig
> index 3e2daef..f6dd77e 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -187,6 +187,7 @@ config MEMORY_HOTPLUG
>  	bool "Allow for memory hot-add"
>  	depends on SPARSEMEM || X86_64_ACPI_NUMA
>  	depends on ARCH_ENABLE_MEMORY_HOTPLUG
> +	depends on !KASAN
>  
>  config MEMORY_HOTPLUG_SPARSE
>  	def_bool y

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