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The source guest could have reallocated the default TCE table and migrate bigger/smaller table. This adds reallocation in post_load() if the default table size is different on source and destination. This adds @bus_offset, @page_shift to the migration stream as a subsection so when DDW is added, migration to older machines will still be possible. As @bus_offset and @page_shift are not used yet, this makes no change in behavior. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>