Re: [PATCH] x86, acpi memory hotplug, add parameter to disable memory hotplug

Toshi Kani
2014-01-14T01:47:30Z

On Tue, 2014-01-14 at 10:11 +0900, Yasuaki Ishimatsu wrote:
:
> >> I think we need a knob manually enable mem-hotplug when specify memmap. But
> >> it is another story.
> >>
> >> Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
> >
> > As mentioned, self-NAK. I have seen a system that I needed to specify
> > memmap=exactmap & had hotplug memory. I will only keep the acpi_no_memhotplug
> > option in the next version of the patch.
>
>
> Your following first patch is simply and makes sense.
>
> http://marc.info/?l=linux-acpi&m=138922019607796&w=2
>

In this option, it also requires changing kexec-tools to specify the new
option for kdump. It won't be simpler.

Thanks,
-Toshi