mr_mfc_find_parent
void *mr_mfc_find_parent(struct mr_table *mrt,
return mr_mfc_find_parent(mrt, hasharg, -1);
return mr_mfc_find_parent(mrt, &arg, parent);
EXPORT_SYMBOL(mr_mfc_find_parent);
return mr_mfc_find_parent(mrt, &arg, parent);