mirror of https://github.com/facebook/rocksdb.git
45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// Copyright (c) 2019 Intel Corporation
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#ifdef MEMKIND
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#include <memkind.h>
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#endif // MEMKIND
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#include "memory/memkind_kmem_allocator.h"
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namespace ROCKSDB_NAMESPACE {
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Status MemkindKmemAllocator::PrepareOptions(const ConfigOptions& options) {
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std::string message;
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if (!IsSupported(&message)) {
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return Status::NotSupported(message);
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} else {
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return MemoryAllocator::PrepareOptions(options);
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}
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}
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#ifdef MEMKIND
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void* MemkindKmemAllocator::Allocate(size_t size) {
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void* p = memkind_malloc(MEMKIND_DAX_KMEM, size);
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if (p == NULL) {
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throw std::bad_alloc();
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}
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return p;
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}
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void MemkindKmemAllocator::Deallocate(void* p) {
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memkind_free(MEMKIND_DAX_KMEM, p);
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}
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#ifdef ROCKSDB_MALLOC_USABLE_SIZE
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size_t MemkindKmemAllocator::UsableSize(void* p,
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size_t /*allocation_size*/) const {
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return memkind_malloc_usable_size(MEMKIND_DAX_KMEM, p);
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}
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#endif // ROCKSDB_MALLOC_USABLE_SIZE
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#endif // MEMKIND
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} // namespace ROCKSDB_NAMESPACE
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