From: Yinghai Lu on
> If enough space is routed and we get accurate information I am certain
> that is fine. I am still worried about the change in policy though.
> Only rerouting things when there is a need gives us the best chance of
> working everywhere. Freeing unused resources on hotplug ports before
> we plug in a device scares me, because we do something that should
> but doesn't we reallocate them. If there is simply not enough room
> we can do something different.


will send out another version, only release those res that don't have big range to support children.

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