118 #define fdt_words(fdt) ((fdt)->max_fds / BITS_PER_LONG) // words in ->open_fds
145 	BUG_ON(nfdt->max_fds < ofdt->max_fds);  in copy_fdtable()
147 	cpy = ofdt->max_fds * sizeof(struct file *);  in copy_fdtable()
148 	set = (nfdt->max_fds - ofdt->max_fds) * sizeof(struct file *);  in copy_fdtable()
203 	fdt->max_fds = nr;  in alloc_fdtable()
256 	BUG_ON(nr < cur_fdt->max_fds);  in expand_fdtable()
284 	if (nr < fdt->max_fds)  in expand_files()
351 	unsigned int last = find_last_bit(fdt->open_fds, fdt->max_fds);  in sane_fdtable_size()
353 	if (last == fdt->max_fds)  in sane_fdtable_size()
386 	new_fdt->max_fds = NR_OPEN_DEFAULT;  in dup_fd()
399 	while (unlikely(open_files > new_fdt->max_fds)) {  in dup_fd()
452 	memset(new_fds, 0, (new_fdt->max_fds - open_files) * sizeof(struct file *));  in dup_fd()
472 		if (i >= fdt->max_fds)  in close_files()
519 		.max_fds	= NR_OPEN_DEFAULT,
531 	unsigned int maxfd = fdt->max_fds; /* always multiple of BITS_PER_LONG */  in find_next_fd()
569 	if (likely(fd < fdt->max_fds))  in alloc_fd()
580 	if (unlikely(fd >= fdt->max_fds)) {  in alloc_fd()
684 	if (fd >= fdt->max_fds)  in file_close_fd_locked()
687 	fd = array_index_nospec(fd, fdt->max_fds);  in file_close_fd_locked()
721 	return fdt->max_fds - 1;  in last_fd()
858 		if (fd >= fdt->max_fds)  in do_close_on_exec()
984 		nospec_mask = array_index_mask_nospec(fd, fdt->max_fds);  in __fget_files_rcu()
1102 		for (; fd < files_fdtable(files)->max_fds; fd++) {  in fget_task_next()
1280 	fd = array_index_nospec(fd, fdt->max_fds);  in do_dup2()
1473 	for (fdt = files_fdtable(files); n < fdt->max_fds; n++) {  in iterate_fd()