Re: [PATCH] register hot-added memory to iomem resource

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KAMEZAWA Hiroyuki <[email protected]> wrote:
>
> This patch registers hot-added memory to iomem_resource.
> By this, /proc/iomem can show hot-added memory.
> This patch is against 2.6.17-rc2-mm1.
> 
> Note: kdump uses /proc/iomem to catch memory range when it is installed.
>       So, kdump should be re-installed after /proc/iomem change.
> 

What do you mean by "kdump should be reinstalled"?  The kdump userspace
tools need to re-run kexec_load()?

If so, why?

And how is kdump to know that memory was hot-added?  Do we generate a
hotplug event?

Thanks.
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