vdev_indirect_mapping_size
mem, vdev_indirect_mapping_size(vim));
extern uint64_t vdev_indirect_mapping_size(vdev_indirect_mapping_t *vim);
uint64_t mapping_size = vdev_indirect_mapping_size(vim);
uint64_t map_size = vdev_indirect_mapping_size(vim);
uint64_t map_size = vdev_indirect_mapping_size(vim);
old_size = vdev_indirect_mapping_size(vim);
uint64_t new_size = vdev_indirect_mapping_size(vim);
vdev_indirect_mapping_size(vim));
prs->prs_mapping_memory += vdev_indirect_mapping_size(vim);