From be1898c4e8978deec1bd43089ad30966f5d69fa7 Mon Sep 17 00:00:00 2001
From: Matthew Parkinson <mattpark@microsoft.com>
Date: Wed, 12 Jun 2019 14:12:47 +0100
Subject: [PATCH] Fixed warning.

---
 src/mem/metaslab.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mem/metaslab.h b/src/mem/metaslab.h
index 2d74747..068edb8 100644
--- a/src/mem/metaslab.h
+++ b/src/mem/metaslab.h
@@ -159,6 +159,8 @@ namespace snmalloc
 
         both = !both;
       }
+#else
+      UNUSED(slab);
 #endif
     }