97 unsigned int sysctl_nr_open_min = BITS_PER_LONG;
101 	__const_min(INT_MAX, ~(size_t)0/sizeof(void *)) & -BITS_PER_LONG;
118 #define fdt_words(fdt) ((fdt)->max_fds / BITS_PER_LONG) // words in ->open_fds
130 			copy_words * BITS_PER_LONG, nwords * BITS_PER_LONG);  in copy_fd_bitmaps()
132 			copy_words * BITS_PER_LONG, nwords * BITS_PER_LONG);  in copy_fd_bitmaps()
195 		nr = round_down(sysctl_nr_open, BITS_PER_LONG);  in alloc_fdtable()
337 	fd /= BITS_PER_LONG;  in __set_open_fd()
345 	fd /= BITS_PER_LONG;  in __clear_open_fd()
358 	unsigned int first = i * BITS_PER_LONG;  in fd_range_word()
359 	unsigned int last = first + BITS_PER_LONG - 1;  in fd_range_word()
400 		return ALIGN(last + 1, BITS_PER_LONG);  in sane_fdtable_size()
404 		i = last / BITS_PER_LONG + 1;  in sane_fdtable_size()
409 				return (i + 1) * BITS_PER_LONG;  in sane_fdtable_size()
429 	return ALIGN(last + 1, BITS_PER_LONG);  in sane_fdtable_size()
491 	copy_fd_bitmaps(new_fdt, old_fdt, open_files / BITS_PER_LONG);  in dup_fd()
514 		if (!(fd % BITS_PER_LONG))  in dup_fd()
515 			dropped = dup_fd_dropped_word(old_fdt, fd / BITS_PER_LONG, range);  in dup_fd()
560 	unsigned int j = fdt->max_fds / BITS_PER_LONG;  in close_files()
568 			struct file *file = fdt->fd[j * BITS_PER_LONG + bit];  in close_files()
624 	unsigned int max_fds_words = maxfd / BITS_PER_LONG;  in find_next_fd()
625 	unsigned int fds_word_idx = start / BITS_PER_LONG;  in find_next_fd()
631 	bit = find_next_zero_bit(&fdt->open_fds[fds_word_idx], BITS_PER_LONG,  in find_next_fd()
632 				 start & (BITS_PER_LONG - 1));  in find_next_fd()
633 	if (bit < BITS_PER_LONG)  in find_next_fd()
634 		return bit + (fds_word_idx * BITS_PER_LONG);  in find_next_fd()
636 	bit = BITS_PER_LONG *  in find_next_fd()
867 		lo = range->from / BITS_PER_LONG;  in last_fd_to_close()
868 	for (i = n ? (n - 1) / BITS_PER_LONG + 1 : 0; i-- > lo; ) {  in last_fd_to_close()
873 			unsigned int last = find_last_bit(fdt->open_fds, i * BITS_PER_LONG);  in last_fd_to_close()
875 			if (last >= i * BITS_PER_LONG)  in last_fd_to_close()
877 			i = last / BITS_PER_LONG + 1;  in last_fd_to_close()
882 		    i * BITS_PER_LONG >= range->from &&  in last_fd_to_close()
883 		    i * BITS_PER_LONG + BITS_PER_LONG - 1 <= range->to) {  in last_fd_to_close()
886 			i = (range->from - 1) / BITS_PER_LONG + 1;  in last_fd_to_close()
890 		if (i == (n - 1) / BITS_PER_LONG)  in last_fd_to_close()
893 			return i * BITS_PER_LONG + __fls(set);  in last_fd_to_close()
1046 	for (i = fdt->max_fds / BITS_PER_LONG; i--; ) {  in close_cloexec_files()
1056 			unsigned fd = i * BITS_PER_LONG + bit;  in close_cloexec_files()