diff --git a/include/common/config.h b/include/common/config.h
index f06ba3b..acd6b20 100644
--- a/include/common/config.h
+++ b/include/common/config.h
@@ -47,6 +47,13 @@
 #define THREAD_LOCAL
 #endif
 
+/* On architectures supporting threads and double-word CAS, we can implement
+ * lock-less memory pools. This isn't supported for debugging modes however.
+ */
+#if !defined(DEBUG_NO_LOCKLESS_POOLS) && defined(USE_THREAD) && defined(HA_HAVE_CAS_DW) && !defined(DEBUG_UAF)
+#define CONFIG_HAP_LOCKLESS_POOLS
+#endif
+
 /* CONFIG_HAP_INLINE_FD_SET
  * This makes use of inline FD_* macros instead of calling equivalent
  * functions. Benchmarks on a Pentium-M show that using functions is