fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.2 KiB
43 lines
1.2 KiB
// 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
|
|
|
|
#include "rocksdb/memory_allocator.h"
|
|
#include "utilities/memory_allocators.h"
|
|
|
|
namespace ROCKSDB_NAMESPACE {
|
|
|
|
class MemkindKmemAllocator : public BaseMemoryAllocator {
|
|
public:
|
|
static const char* kClassName() { return "MemkindKmemAllocator"; }
|
|
const char* Name() const override { return kClassName(); }
|
|
static bool IsSupported() {
|
|
std::string unused;
|
|
return IsSupported(&unused);
|
|
}
|
|
|
|
static bool IsSupported(std::string* msg) {
|
|
#ifdef MEMKIND
|
|
(void)msg;
|
|
return true;
|
|
#else
|
|
*msg = "Not compiled with MemKind";
|
|
return false;
|
|
#endif
|
|
}
|
|
Status PrepareOptions(const ConfigOptions& options) override;
|
|
|
|
#ifdef MEMKIND
|
|
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
|
|
#endif // MEMKIND
|
|
};
|
|
|
|
} // namespace ROCKSDB_NAMESPACE
|
|
|