884 int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds,  in do_sys_poll()  argument
895  	unsigned long todo = nfds;  in do_sys_poll()
897 	if (nfds > rlimit(RLIMIT_NOFILE))  in do_sys_poll()
900 	len = min_t(unsigned int, nfds, N_STACK_PPS);  in do_sys_poll()
907 		if (copy_from_user(walk->entries, ufds + nfds-todo,  in do_sys_poll()
952 	int nfds = restart_block->poll.nfds;  in do_restart_poll()  local
962 	ret = do_sys_poll(ufds, nfds, to);  in do_restart_poll()
971 SYSCALL_DEFINE3(poll, struct pollfd __user *, ufds, unsigned int, nfds,  in SYSCALL_DEFINE3()  argument
983 	ret = do_sys_poll(ufds, nfds, to);  in SYSCALL_DEFINE3()
991 		restart_block->poll.nfds = nfds;  in SYSCALL_DEFINE3()
1005 SYSCALL_DEFINE5(ppoll, struct pollfd __user *, ufds, unsigned int, nfds,  in SYSCALL_DEFINE5()  argument
1034 	ret = do_sys_poll(ufds, nfds, to);  in SYSCALL_DEFINE5()