chromium/base/memory/madv_free_discardable_memory_allocator_posix.cc

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <inttypes.h>
#include <sys/mman.h>

#include "base/memory/madv_free_discardable_memory_allocator_posix.h"
#include "base/process/process_metrics.h"
#include "base/strings/string_number_conversions.h"
#include "base/task/single_thread_task_runner.h"
#include "base/tracing_buildflags.h"

#if BUILDFLAG(ENABLE_BASE_TRACING)
#include "base/trace_event/memory_dump_manager.h"  // no-presubmit-check
#endif  // BUILDFLAG(ENABLE_BASE_TRACING)

namespace base {

MadvFreeDiscardableMemoryAllocatorPosix::
    MadvFreeDiscardableMemoryAllocatorPosix() { … }

MadvFreeDiscardableMemoryAllocatorPosix::
    ~MadvFreeDiscardableMemoryAllocatorPosix() { … }

std::unique_ptr<DiscardableMemory>
MadvFreeDiscardableMemoryAllocatorPosix::AllocateLockedDiscardableMemory(
    size_t size) { … }

size_t MadvFreeDiscardableMemoryAllocatorPosix::GetBytesAllocated() const { … }

bool MadvFreeDiscardableMemoryAllocatorPosix::OnMemoryDump(
    const trace_event::MemoryDumpArgs& args,
    trace_event::ProcessMemoryDump* pmd) { … }

}  // namespace base