[PATCH RFCv2 1/6] mm/memory_hotplug: make remove_memory() take the device_hotplug_lock

[Pasha Tatashin]

> +
> +void __ref remove_memory(int nid, u64 start, u64 size)

Remove __ref, otherwise looks good:

Reviewed-by: Pavel Tatashin <pavel.tatashin at microsoft.com>

> +{
> +	lock_device_hotplug();
> +	__remove_memory(nid, start, size);
> +	unlock_device_hotplug();
> +}
>  EXPORT_SYMBOL_GPL(remove_memory);
>  #endif /* CONFIG_MEMORY_HOTREMOVE */
>