Added initial memory pool support.

src/crypto/common/MemoryPool.h

@@ -0,0 +1,66 @@
+/* XMRig
+ * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
+ * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
+ * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
+ * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
+ * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
+ * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
+ * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
+ * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2018-2019 tevador     <tevador@gmail.com>
+ * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_MEMORYPOOL_H
+#define XMRIG_MEMORYPOOL_H
+
+
+#include "backend/common/interfaces/IMemoryPool.h"
+#include "base/tools/Object.h"
+
+
+namespace xmrig {
+
+
+class VirtualMemory;
+
+
+class MemoryPool : public IMemoryPool
+{
+public:
+    XMRIG_DISABLE_COPY_MOVE_DEFAULT(MemoryPool)
+
+    MemoryPool(size_t size, bool hugePages, uint32_t node = 0);
+    ~MemoryPool() override;
+
+protected:
+    bool isHugePages(uint32_t node) const override;
+    uint8_t *get(size_t size, uint32_t node) override;
+    void release(uint32_t node) override;
+
+private:
+    size_t m_size           = 0;
+    size_t m_refs           = 0;
+    size_t m_offset         = 0;
+    VirtualMemory *m_memory = nullptr;
+};
+
+
+} /* namespace xmrig */
+
+
+
+#endif /* XMRIG_MEMORYPOOL_H */