rocksdb/memory/memkind_kmem_allocator.h

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C++

// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// Copyright (c) 2019 Intel Corporation
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#pragma once
#ifdef MEMKIND
#include <memkind.h>
#include "rocksdb/memory_allocator.h"
namespace rocksdb {
class MemkindKmemAllocator : public MemoryAllocator {
public:
const char* Name() const override { return "MemkindKmemAllocator"; };
void* Allocate(size_t size) override;
void Deallocate(void* p) override;
#ifdef ROCKSDB_MALLOC_USABLE_SIZE
size_t UsableSize(void* p, size_t /*allocation_size*/) const override;
#endif
};
} // namespace rocksdb
#endif // MEMKIND