On Fri, Jul 21 2023 at 12:22, Peter Zijlstra wrote:

+static inline bool futex_validate_input(unsigned int flags, u64 val)
+{
+	int bits = 8 * futex_size(flags);
+	if (bits < 64 && (val >> bits))

New line between declaration and code. 

+		return false;
+	return true;
+}

Other than that::

Reviewed-by: Thomas Gleixner <redacted>