FTW_MOUNT 375 tools/bpf/bpftool/cgroup.c switch (nftw(cgroup_root, do_show_tree_fn, 1024, FTW_MOUNT)) { FTW_MOUNT 205 tools/testing/selftests/bpf/cgroup_helpers.c nftw(cgroup_workdir, nftwfunc, WALK_FD_LIMIT, FTW_DEPTH | FTW_MOUNT); FTW_MOUNT 1078 tools/vm/page-types.c if (nftw(opt_file, walk_tree, 64, FTW_MOUNT | FTW_PHYS) < 0)