cluster_set_count_flag  509 mm/swapfile.c  	cluster_set_count_flag(ci + idx, 0, 0);
cluster_set_count_flag  952 mm/swapfile.c  	cluster_set_count_flag(ci, SWAPFILE_CLUSTER, CLUSTER_FLAG_HUGE);
cluster_set_count_flag  971 mm/swapfile.c  	cluster_set_count_flag(ci, 0, 0);