cluster_set_next_flag  405 mm/swapfile.c  		cluster_set_next_flag(&list->head, idx, 0);
cluster_set_next_flag  406 mm/swapfile.c  		cluster_set_next_flag(&list->tail, idx, 0);
cluster_set_next_flag  419 mm/swapfile.c  		cluster_set_next_flag(&list->tail, idx, 0);
cluster_set_next_flag  433 mm/swapfile.c  		cluster_set_next_flag(&list->head,