146 	struct fdtable *new_fdt, *cur_fdt;  in expand_fdtable()  local
149 	new_fdt = alloc_fdtable(nr);  in expand_fdtable()
151 	if (!new_fdt)  in expand_fdtable()
157 	if (unlikely(new_fdt->max_fds <= nr)) {  in expand_fdtable()
158 		__free_fdtable(new_fdt);  in expand_fdtable()
168 		copy_fdtable(new_fdt, cur_fdt);  in expand_fdtable()
169 		rcu_assign_pointer(files->fdt, new_fdt);  in expand_fdtable()
174 		__free_fdtable(new_fdt);  in expand_fdtable()
249 	struct fdtable *old_fdt, *new_fdt;  in dup_fd()  local
260 	new_fdt = &newf->fdtab;  in dup_fd()
261 	new_fdt->max_fds = NR_OPEN_DEFAULT;  in dup_fd()
262 	new_fdt->close_on_exec = newf->close_on_exec_init;  in dup_fd()
263 	new_fdt->open_fds = newf->open_fds_init;  in dup_fd()
264 	new_fdt->fd = &newf->fd_array[0];  in dup_fd()
273 	while (unlikely(open_files > new_fdt->max_fds)) {  in dup_fd()
276 		if (new_fdt != &newf->fdtab)  in dup_fd()
277 			__free_fdtable(new_fdt);  in dup_fd()
279 		new_fdt = alloc_fdtable(open_files - 1);  in dup_fd()
280 		if (!new_fdt) {  in dup_fd()
286 		if (unlikely(new_fdt->max_fds < open_files)) {  in dup_fd()
287 			__free_fdtable(new_fdt);  in dup_fd()
303 	new_fds = new_fdt->fd;  in dup_fd()
305 	memcpy(new_fdt->open_fds, old_fdt->open_fds, open_files / 8);  in dup_fd()
306 	memcpy(new_fdt->close_on_exec, old_fdt->close_on_exec, open_files / 8);  in dup_fd()
319 			__clear_open_fd(open_files - i, new_fdt);  in dup_fd()
326 	size = (new_fdt->max_fds - open_files) * sizeof(struct file *);  in dup_fd()
331 	if (new_fdt->max_fds > open_files) {  in dup_fd()
332 		int left = (new_fdt->max_fds - open_files) / 8;  in dup_fd()
335 		memset(&new_fdt->open_fds[start], 0, left);  in dup_fd()
336 		memset(&new_fdt->close_on_exec[start], 0, left);  in dup_fd()
339 	rcu_assign_pointer(newf->fdt, new_fdt);  in dup_fd()