Re: [RFC v2 4/6] crash hp: generic crash hotplug support infrastructure

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> +#if defined(CONFIG_MEMORY_HOTPLUG)
> +static int crash_memhp_notifier(struct notifier_block *nb,
> +	unsigned long val, void *v)
> +{
> +	struct memory_notify *mhp = v;
> +	unsigned long start, end;
> +
> +	start = mhp->start_pfn << PAGE_SHIFT;
> +	end = ((mhp->start_pfn + mhp->nr_pages) << PAGE_SHIFT) - 1;
> +
> +	switch (val) {
> +	case MEM_GOING_ONLINE:
> +		crash_hotplug_handler(KEXEC_CRASH_HP_ADD_MEMORY,
> +			start, end-start);
> +		break;
> +
> +	case MEM_OFFLINE:
> +	case MEM_CANCEL_ONLINE:
> +		crash_hotplug_handler(KEXEC_CRASH_HP_REMOVE_MEMORY,
> +			start, end-start);

Any reason you don't handle this after the effects completely, meaning
MEM_ONLINE and MEM_OFFLINE?

-- 
Thanks,

David / dhildenb


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