chromium/base/allocator/partition_allocator/src/partition_alloc/partition_page.cc

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "partition_alloc/partition_page.h"

#include <algorithm>
#include <cstdint>

#include "partition_alloc/address_pool_manager.h"
#include "partition_alloc/buildflags.h"
#include "partition_alloc/freeslot_bitmap.h"
#include "partition_alloc/page_allocator.h"
#include "partition_alloc/page_allocator_constants.h"
#include "partition_alloc/partition_address_space.h"
#include "partition_alloc/partition_alloc_base/bits.h"
#include "partition_alloc/partition_alloc_base/compiler_specific.h"
#include "partition_alloc/partition_alloc_check.h"
#include "partition_alloc/partition_alloc_constants.h"
#include "partition_alloc/partition_alloc_forward.h"
#include "partition_alloc/partition_direct_map_extent.h"
#include "partition_alloc/partition_freelist_entry.h"
#include "partition_alloc/partition_root.h"
#include "partition_alloc/reservation_offset_table.h"
#include "partition_alloc/tagging.h"

namespace partition_alloc::internal {

namespace {

void UnmapNow(uintptr_t reservation_start,
              size_t reservation_size,
              pool_handle pool);

PA_ALWAYS_INLINE void PartitionDirectUnmap(SlotSpanMetadata* slot_span) { … }

}  // namespace

PA_ALWAYS_INLINE void SlotSpanMetadata::RegisterEmpty() { … }
// static
const SlotSpanMetadata SlotSpanMetadata::sentinel_slot_span_;

// static
const SlotSpanMetadata* SlotSpanMetadata::get_sentinel_slot_span() { … }

// static
SlotSpanMetadata* SlotSpanMetadata::get_sentinel_slot_span_non_const() { … }

SlotSpanMetadata::SlotSpanMetadata(PartitionBucket* bucket)
    : … { … }

void SlotSpanMetadata::FreeSlowPath(size_t number_of_freed) { … }

void SlotSpanMetadata::Decommit(PartitionRoot* root) { … }

void SlotSpanMetadata::DecommitIfPossible(PartitionRoot* root) { … }

void SlotSpanMetadata::SortFreelist() { … }

void SlotSpanMetadata::IncrementNumberOfNonemptySlotSpans() { … }

namespace {

void UnmapNow(uintptr_t reservation_start,
              size_t reservation_size,
              pool_handle pool) { … }

}  // namespace

}  // namespace partition_alloc::internal