1 files changed, 4 insertions, 4 deletions
diff --git a/src/mongo/db/storage/mmap_v1/catalog/namespace_index.h b/src/mongo/db/storage/mmap_v1/catalog/namespace_index.h
index a0df358f00e..4c652b1fc25 100644
--- a/src/mongo/db/storage/mmap_v1/catalog/namespace_index.h
+++ b/src/mongo/db/storage/mmap_v1/catalog/namespace_index.h
@@ -60,17 +60,17 @@ namespace mongo {
         void init(OperationContext* txn);
 
         void add_ns( OperationContext* txn,
-                     const StringData& ns, const DiskLoc& loc, bool capped);
+                     StringData ns, const DiskLoc& loc, bool capped);
         void add_ns( OperationContext* txn,
-                     const StringData& ns, const NamespaceDetails* details );
+                     StringData ns, const NamespaceDetails* details );
         void add_ns( OperationContext* txn,
                      const Namespace& ns, const NamespaceDetails* details );
 
-        NamespaceDetails* details(const StringData& ns) const;
+        NamespaceDetails* details(StringData ns) const;
         NamespaceDetails* details(const Namespace& ns) const;
 
         void kill_ns( OperationContext* txn,
-                      const StringData& ns);
+                      StringData ns);
 
         bool allocated() const { return _ht.get() != 0; }