1437 static int get_iovec_page_array(const struct iovec __user *iov,  in get_iovec_page_array()  argument
1452 		if (copy_from_user(&entry, iov, sizeof(entry)))  in get_iovec_page_array()
1523 		iov++;  in get_iovec_page_array()
1550 	struct iovec *iov = iovstack;  in vmsplice_to_user()  local
1558 			   ARRAY_SIZE(iovstack), &iov, &iter);  in vmsplice_to_user()
1574 	kfree(iov);  in vmsplice_to_user()
1583 static long vmsplice_to_pipe(struct file *file, const struct iovec __user *iov,  in vmsplice_to_pipe()  argument
1606 	spd.nr_pages = get_iovec_page_array(iov, nr_segs, spd.pages,  in vmsplice_to_pipe()
1634 SYSCALL_DEFINE4(vmsplice, int, fd, const struct iovec __user *, iov,  in SYSCALL_DEFINE4()  argument
1649 			error = vmsplice_to_pipe(f.file, iov, nr_segs, flags);  in SYSCALL_DEFINE4()
1651 			error = vmsplice_to_user(f.file, iov, nr_segs, flags);  in SYSCALL_DEFINE4()
1664 	struct iovec __user *iov;  in COMPAT_SYSCALL_DEFINE4()  local
1667 	iov = compat_alloc_user_space(nr_segs * sizeof(struct iovec));  in COMPAT_SYSCALL_DEFINE4()
1672 		    put_user(compat_ptr(v.iov_base), &iov[i].iov_base) ||  in COMPAT_SYSCALL_DEFINE4()
1673 		    put_user(v.iov_len, &iov[i].iov_len))  in COMPAT_SYSCALL_DEFINE4()
1676 	return sys_vmsplice(fd, iov, nr_segs, flags);  in COMPAT_SYSCALL_DEFINE4()