shrink_tnc_trees 302 fs/ubifs/shrinker.c freed = shrink_tnc_trees(nr, OLD_ZNODE_AGE, &contention); shrink_tnc_trees 307 fs/ubifs/shrinker.c freed += shrink_tnc_trees(nr - freed, YOUNG_ZNODE_AGE, &contention); shrink_tnc_trees 312 fs/ubifs/shrinker.c freed += shrink_tnc_trees(nr - freed, 0, &contention);