allocdirect_merge
allocdirect_merge(oldlisthead, newadp,
allocdirect_merge(adphead, adp, oldadp);
allocdirect_merge(adphead, adp, oldadp);
allocdirect_merge(adphead, adp, oldadp);
allocdirect_merge(adphead, adp, oldadp);
static void allocdirect_merge(struct allocdirectlst *,