vmsplice 1361 fs/splice.c SYSCALL_DEFINE4(vmsplice, int, fd, const struct iovec __user *, uiov, vmsplice 1387 fs/splice.c COMPAT_SYSCALL_DEFINE4(vmsplice, int, fd, const struct compat_iovec __user *, iov32, vmsplice 1077 tools/testing/selftests/x86/protection_keys.c vmsplice_ret = vmsplice(pipe_fds[1], &iov, 1, SPLICE_F_GIFT);