Routines to save/load guest storage keys are provided. register_savevm is
called to register them as migration handlers.
We prepare the protocol to support more complex parameters. So we will
later be able to support standby memory (having empty holes), compression
and "state live migration" like done for ram.
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Jason J. Herne <jjherne@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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