Memory allocation refactoring.

src/crypto/common/HugePagesInfo.h

@@ -0,0 +1,67 @@
+/* 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 2018-2019 SChernykh   <https://github.com/SChernykh>
+ * 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_HUGEPAGESINFO_H
+#define XMRIG_HUGEPAGESINFO_H
+
+
+#include <cstdint>
+#include <cstddef>
+
+
+namespace xmrig {
+
+
+class VirtualMemory;
+
+
+class HugePagesInfo
+{
+public:
+    HugePagesInfo() = default;
+    HugePagesInfo(const VirtualMemory *memory);
+
+    size_t allocated    = 0;
+    size_t total        = 0;
+    size_t size         = 0;
+
+    inline bool isFullyAllocated() const { return allocated == total; }
+    inline double percent() const        { return allocated == 0 ? 0.0 : static_cast<double>(allocated) / total * 100.0; }
+    inline void reset()                  { allocated = 0; total = 0; size = 0; }
+
+    inline HugePagesInfo &operator+=(const HugePagesInfo &other)
+    {
+        allocated += other.allocated;
+        total     += other.total;
+        size      += other.size;
+
+        return *this;
+    }
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_HUGEPAGESINFO_H */