FTW_PHYS          213 tools/bpf/bpftool/perf.c 	int flags = FTW_ACTIONRETVAL | FTW_PHYS;
FTW_PHYS         1078 tools/vm/page-types.c 		if (nftw(opt_file, walk_tree, 64, FTW_MOUNT | FTW_PHYS) < 0)