xa_insert
xa_insert((xa), (index), (ptr), (gfp))
int xa_insert(struct xarray *, uint32_t, void *, gfp_t);
err = xa_insert(&mdev->ipsec_sadb, sa_entry->ipsec_obj_id, sa_entry, GFP_KERNEL);
ret = xa_insert(&fg->ftes_xa, fte->index, fte, GFP_KERNEL);
ret = xa_insert(&ft->fgs_xa, fg->start_index, fg, GFP_KERNEL);
err = xa_insert(&devx_event_table->event_xa,
err = xa_insert(&event->object_ids,