929 static int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds,  in do_sys_poll()  argument
940  	unsigned long todo = nfds;  in do_sys_poll()
942 	if (nfds > rlimit(RLIMIT_NOFILE))  in do_sys_poll()
945 	len = min_t(unsigned int, nfds, N_STACK_PPS);  in do_sys_poll()
952 		if (copy_from_user(walk->entries, ufds + nfds-todo,  in do_sys_poll()
997 	int nfds = restart_block->poll.nfds;  in do_restart_poll()  local
1007 	ret = do_sys_poll(ufds, nfds, to);  in do_restart_poll()
1015 SYSCALL_DEFINE3(poll, struct pollfd __user *, ufds, unsigned int, nfds,  in SYSCALL_DEFINE3()  argument
1027 	ret = do_sys_poll(ufds, nfds, to);  in SYSCALL_DEFINE3()
1034 		restart_block->poll.nfds = nfds;  in SYSCALL_DEFINE3()
1048 SYSCALL_DEFINE5(ppoll, struct pollfd __user *, ufds, unsigned int, nfds,  in SYSCALL_DEFINE5()  argument
1076 	ret = do_sys_poll(ufds, nfds, to);  in SYSCALL_DEFINE5()
1377 	unsigned int,  nfds, struct compat_timespec __user *, tsp,  in COMPAT_SYSCALL_DEFINE5()  argument
1403 	ret = do_sys_poll(ufds, nfds, to);  in COMPAT_SYSCALL_DEFINE5()