diff --git a/storage/innobase/buf/buf0buf.cc b/storage/innobase/buf/buf0buf.cc
index 90d0011b675..e4332fc3f32 100644
--- a/storage/innobase/buf/buf0buf.cc
+++ b/storage/innobase/buf/buf0buf.cc
@@ -1182,6 +1182,7 @@ in the event that you want all of the memory to be dumped
 to a core file.
 
 Returns number of errors found in madvise calls. */
+MY_ATTRIBUTE((used))
 int
 buf_madvise_do_dump()
 {