rocksdb/memory/memkind_kmem_allocator.cc
sdong 1be3be5522 Auto-Format two recent diffs and add HISTORY.md (#6685)
Summary:
Two recent diffs can be autoformatted.
Also add HISTORY.md entry for https://github.com/facebook/rocksdb/pull/6214
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6685

Test Plan: Run all existing tests

Reviewed By: cheng-chang

Differential Revision: D20965780

fbshipit-source-id: 195b08d7849513d42fe14073112cd19fdda6af95
2020-04-10 11:32:44 -07:00

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// 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).
#ifdef MEMKIND
#include "memkind_kmem_allocator.h"
namespace rocksdb {
void* MemkindKmemAllocator::Allocate(size_t size) {
void* p = memkind_malloc(MEMKIND_DAX_KMEM, size);
if (p == NULL) {
throw std::bad_alloc();
}
return p;
}
void MemkindKmemAllocator::Deallocate(void* p) {
memkind_free(MEMKIND_DAX_KMEM, p);
}
#ifdef ROCKSDB_MALLOC_USABLE_SIZE
size_t MemkindKmemAllocator::UsableSize(void* p,
size_t /*allocation_size*/) const {
return memkind_malloc_usable_size(MEMKIND_DAX_KMEM, p);
}
#endif // ROCKSDB_MALLOC_USABLE_SIZE
} // namespace rocksdb
#endif // MEMKIND