From 08763e606adc8642d703c3be136541f57875a3ed Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Tue, 23 Dec 2025 21:06:38 -0500
Subject: [PATCH] xo-alloc2: ++ documentation + threshold size for THP feature

---
 include/xo/facet/OObject.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/xo/facet/OObject.hpp b/include/xo/facet/OObject.hpp
index 0a92a4a..93b532d 100644
--- a/include/xo/facet/OObject.hpp
+++ b/include/xo/facet/OObject.hpp
@@ -9,6 +9,7 @@
 #include "typeseq.hpp"
 #include <new>
 #include <cstring>
+#include <cstddef>
 
 namespace xo {
     namespace facet {