diff --git a/include/linux/log2.h b/include/linux/log2.h
index aa1de630906..23719916515 100644
--- a/include/linux/log2.h
+++ b/include/linux/log2.h
@@ -15,7 +15,7 @@
 /*
  * deal with unrepresentable constant logarithms
  */
-extern __attribute__((const, noreturn))
+extern __attribute__((noreturn))
 int ____ilog2_NaN(void);
 
 /*