--- zzzz-none-000/linux-4.9.279/include/linux/compiler.h	2021-08-08 06:38:54.000000000 +0000
+++ puma7-atom-6591-750/linux-4.9.279/include/linux/compiler.h	2023-02-08 11:43:43.000000000 +0000
@@ -612,4 +612,11 @@
  */
 #define prevent_tail_call_optimization()	mb()
 
+/*
+ * Wrap a value that may be unused so that the compiler doesn't warn about it,
+ * in a way that works with arbitrary expressions.  This generates no extra
+ * code with optimization levels Os, O1 and better.
+ */
+#define MAYBE_UNUSED_VALUE(v) ({ typeof(v) __u = (v); __u; })
+
 #endif /* __LINUX_COMPILER_H */