Re: [PATCH 1/2] acpi memory hotplug, add parameter to disablememory hotplug [v2]

[Toshi Kani]

On Fri, 2014-01-10 at 14:04 -0500, Prarit Bhargava wrote:
 :
> ---
>  Documentation/kernel-parameters.txt |    3 +++
>  drivers/acpi/acpi_memhotplug.c      |   12 ++++++++++++
>  2 files changed, 15 insertions(+)
> 
> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> index b9e9bd8..41374f9 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -2117,6 +2117,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
>  
>  	nomce		[X86-32] Machine Check Exception
>  
> +	acpi_no_memhotplug [ACPI] Disable memory hotplug.  Useful for kexec
> +			   and kdump kernels.
> +

Please move it to where other acpi_xxx are described.

For kdump kernel, this option will be used when memmap=exactmap is
deprecated.  IOW, it is not useful yet.  Not sure what you mean by kexec
kernel.  Memory hotplug does not need to be disabled for kexec reboot.

Thanks,
-Toshi



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/