The 'memory' service has holes in its data section, which causes problems during state transfer. Since VM cannot handle page faults during a multicomponent-with-VM live update, the state transfer must ensure that no page faults occur during copying. Therefore, we now query VM about the regions to copy, thus skipping holes. While the solution is not ideal, it is sufficiently generic that it can be used for the data section state transfer of all processes, and possibly for state transfer of other regions in the future as well. Change-Id: I2a71383a18643ebd36956c396fbd22c8fd137202
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