typedef int PK_PARTITION_xmt_deltas_t;
PK_PARTITION_xmt_deltas_t has three values:
PK_PARTITION_xmt_deltas_none_c do not transmit deltas
PK_PARTITION_xmt_deltas_all_c transmit all deltas in partition
PK_PARTITION_xmt_deltas_main_c transmit all deltas in 'main line'
from initial pmark to current pmark