60 #define BITBIT_NR(nr)	BITS_TO_LONGS(BITS_TO_LONGS(nr))  argument
61 #define BITBIT_SIZE(nr)	(BITBIT_NR(nr) * sizeof(long))  argument
104 static struct fdtable * alloc_fdtable(unsigned int nr)  in alloc_fdtable()  argument
116 	nr /= (1024 / sizeof(struct file *));  in alloc_fdtable()
117 	nr = roundup_pow_of_two(nr + 1);  in alloc_fdtable()
118 	nr *= (1024 / sizeof(struct file *));  in alloc_fdtable()
127 	if (unlikely(nr > sysctl_nr_open))  in alloc_fdtable()
128 		nr = ((sysctl_nr_open - 1) | (BITS_PER_LONG - 1)) + 1;  in alloc_fdtable()
133 	fdt->max_fds = nr;  in alloc_fdtable()
134 	data = alloc_fdmem(nr * sizeof(struct file *));  in alloc_fdtable()
140 				 2 * nr / BITS_PER_BYTE + BITBIT_SIZE(nr), L1_CACHE_BYTES));  in alloc_fdtable()
144 	data += nr / BITS_PER_BYTE;  in alloc_fdtable()
146 	data += nr / BITS_PER_BYTE;  in alloc_fdtable()
166 static int expand_fdtable(struct files_struct *files, unsigned int nr)  in expand_fdtable()  argument
173 	new_fdt = alloc_fdtable(nr);  in expand_fdtable()
188 	if (unlikely(new_fdt->max_fds <= nr)) {  in expand_fdtable()
193 	BUG_ON(nr < cur_fdt->max_fds);  in expand_fdtable()
211 static int expand_files(struct files_struct *files, unsigned int nr)  in expand_files()  argument
222 	if (nr < fdt->max_fds)  in expand_files()
226 	if (nr >= sysctl_nr_open)  in expand_files()
239 	expanded = expand_fdtable(files, nr);  in expand_files()