From 6934a6dbf2948b0d9f19613cfa84ee9c02f6e654 Mon Sep 17 00:00:00 2001
From: iwabuchi <iwabuchi1@llnl.gov>
Date: Mon, 27 Nov 2023 18:38:30 -0800
Subject: [PATCH] Bugfix in freeing object cache data

---
 include/metall/kernel/object_cache.hpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/metall/kernel/object_cache.hpp b/include/metall/kernel/object_cache.hpp
index 23ac3aa8..6bf08848 100644
--- a/include/metall/kernel/object_cache.hpp
+++ b/include/metall/kernel/object_cache.hpp
@@ -544,6 +544,10 @@ class object_cache {
   }
 
  private:
+  struct free_deleter {
+    void operator()(void *const p) const noexcept { std::free(p); }
+  };
+
   inline static unsigned int priv_get_num_cpus() {
     return mdtl::get_num_cpus();
   }
@@ -755,7 +759,7 @@ class object_cache {
 #ifdef METALL_ENABLE_MUTEX_IN_OBJECT_CACHE
   std::vector<mutex_type> m_mutex;
 #endif
-  std::unique_ptr<cache_storage_type[]> m_cache{nullptr};
+  std::unique_ptr<cache_storage_type[], free_deleter> m_cache{nullptr};
 };
 
 // const_bin_iterator