From d45a2a81541c53eca39706d54d97c076d944a52e Mon Sep 17 00:00:00 2001
From: "Raasz, Pawel" <pawel.raasz@intel.com>
Date: Wed, 13 Nov 2024 12:35:16 +0000
Subject: [PATCH] On Linux return not used memory to system on compiled model
 dtor

---
 src/inference/src/cpp/compiled_model.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/inference/src/cpp/compiled_model.cpp b/src/inference/src/cpp/compiled_model.cpp
index c780bbee1e991d..d675cba4714887 100644
--- a/src/inference/src/cpp/compiled_model.cpp
+++ b/src/inference/src/cpp/compiled_model.cpp
@@ -8,6 +8,10 @@
 #include "openvino/runtime/icompiled_model.hpp"
 #include "openvino/runtime/properties.hpp"
 
+#if defined(OPENVINO_GNU_LIBC) && !defined(__ANDROID__)
+#    include <malloc.h>
+#endif
+
 #define OV_COMPILED_MODEL_CALL_STATEMENT(...)                 \
     if (_impl == nullptr)                                     \
         OPENVINO_THROW("CompiledModel was not initialized."); \
@@ -23,6 +27,12 @@ namespace ov {
 
 CompiledModel::~CompiledModel() {
     _impl = {};
+#if defined(OPENVINO_GNU_LIBC) && !defined(__ANDROID__)
+    // Linux memory margent doesn't return system memory immediate after release.
+    // It depends on memory chunk size and allocation history.
+    // Try return memory from a process to system now to reduce memory usage and not wait to the end of the process.
+    malloc_trim(0);
+#endif
 }
 
 CompiledModel::CompiledModel(const std::shared_ptr<ov::ICompiledModel>& impl, const std::shared_ptr<void>& so)