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Subject[PATCH R3 0/7] xen/balloon: Memory hotplug support for Xen balloon driver

I am sending next version of memory hotplug
support for Xen balloon driver patch. It applies
to Linus' git tree, v2.6.38-rc3 tag. Most of
suggestions were taken into account. Thanks for
everybody who tested and/or sent suggestions
to my work.

There are a few prerequisite patches which fixes
some problems found during work on memory hotplug
patch or add some futures which are needed by
memory hotplug patch.

Full list of fixes/futures:
- mm: Add add_registered_memory() to memory hotplug API,
- xen/balloon: Removal of driver_pages,
- xen/balloon: HVM mode support,
- xen/balloon: Migration from mod_timer() to schedule_delayed_work(),
- xen/balloon: Protect against CPU exhaust by event/x process,
- xen/balloon: Minor notation fixes,
- xen/balloon: Memory hotplug support for Xen balloon driver.

Additionally, I suggest to apply patch prepared by Steffano Stabellini
( which fixes memory management
issue in Xen guest. I was not able boot guest machine without
above mentioned patch.

I have received notice that this series of patches broke
machine migration under Xen. I am going to solve that problem ASAP.
I do not have received any notices about other problems till now.


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