Move Partition Allocator into Chromium base.

base/allocator/partition_allocator/partitions.cc

-/*
- * Copyright (C) 2013 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
-#include "wtf/allocator/Partitions.h"
+#include "base/allocator/partition_allocator/partitions.h"
 
+#include "base/allocator/partition_allocator/partition_allocator.h"
+#include "base/compiler_specific.h"
 #include "base/debug/alias.h"
-#include "wtf/allocator/PartitionAllocator.h"
 
-namespace WTF {
+namespace base {
 
 const char* const Partitions::kAllocatedObjectPoolName =
     "partition_alloc/allocated_objects";
 
-SpinLock Partitions::s_initializationLock;
+subtle::SpinLock Partitions::s_initializationLock;
 bool Partitions::s_initialized = false;
 
 PartitionAllocatorGeneric Partitions::m_fastMallocAllocator;
 PartitionAllocatorGeneric Partitions::m_bufferAllocator;
 SizeSpecificPartitionAllocator<1024> Partitions::m_layoutAllocator;
 Partitions::ReportPartitionAllocSizeFunction Partitions::m_reportSizeFunction =
     nullptr;
 
 void Partitions::initialize(
     ReportPartitionAllocSizeFunction reportSizeFunction) {
-  SpinLock::Guard guard(s_initializationLock);
+  subtle::SpinLock::Guard guard(s_initializationLock);
 
   if (!s_initialized) {
     partitionAllocGlobalInit(&Partitions::handleOutOfMemory);
     m_fastMallocAllocator.init();
     m_bufferAllocator.init();
     m_layoutAllocator.init();
     m_reportSizeFunction = reportSizeFunction;
     s_initialized = true;
   }
 }
 
 void Partitions::shutdown() {
-  SpinLock::Guard guard(s_initializationLock);
+  subtle::SpinLock::Guard guard(s_initializationLock);
 
-  // We could ASSERT here for a memory leak within the partition, but it leads
-  // to very hard to diagnose ASSERTs, so it's best to leave leak checking for
+  // We could DCHECK here for a memory leak within the partition, but it leads
+  // to very hard to diagnose DCHECK, so it's best to leave leak checking for
   // the valgrind and heapcheck bots, which run without partitions.
   if (s_initialized) {
     (void)m_layoutAllocator.shutdown();
     (void)m_bufferAllocator.shutdown();
     (void)m_fastMallocAllocator.shutdown();
   }
 }
 
 void Partitions::decommitFreeableMemory() {
-  RELEASE_ASSERT(isMainThread());
+  CHECK(isMainThread());
   if (!s_initialized)
     return;
 
   partitionPurgeMemoryGeneric(bufferPartition(),
                               PartitionPurgeDecommitEmptyPages);
   partitionPurgeMemoryGeneric(fastMallocPartition(),
                               PartitionPurgeDecommitEmptyPages);
   partitionPurgeMemory(layoutPartition(), PartitionPurgeDecommitEmptyPages);
 }
 
@@ skipping 10 matching lines @@
   if (sizeInMB > observedMaxSizeInMB) {
     m_reportSizeFunction(sizeInMB);
     observedMaxSizeInMB = sizeInMB;
   }
 }
 
 void Partitions::dumpMemoryStats(bool isLightDump,
                                  PartitionStatsDumper* partitionStatsDumper) {
   // Object model and rendering partitions are not thread safe and can be
   // accessed only on the main thread.
-  ASSERT(isMainThread());
+  DCHECK(isMainThread());
 
   decommitFreeableMemory();
   partitionDumpStatsGeneric(fastMallocPartition(), "fast_malloc", isLightDump,
                             partitionStatsDumper);
   partitionDumpStatsGeneric(bufferPartition(), "buffer", isLightDump,
                             partitionStatsDumper);
   partitionDumpStats(layoutPartition(), "layout", isLightDump,
                      partitionStatsDumper);
 }
 
-static NEVER_INLINE void partitionsOutOfMemoryUsing2G() {
+static NOINLINE void partitionsOutOfMemoryUsing2G() {
   size_t signature = 2UL * 1024 * 1024 * 1024;
   base::debug::Alias(&signature);
   OOM_CRASH();
 }
 
-static NEVER_INLINE void partitionsOutOfMemoryUsing1G() {
+static NOINLINE void partitionsOutOfMemoryUsing1G() {
   size_t signature = 1UL * 1024 * 1024 * 1024;
   base::debug::Alias(&signature);
   OOM_CRASH();
 }
 
-static NEVER_INLINE void partitionsOutOfMemoryUsing512M() {
+static NOINLINE void partitionsOutOfMemoryUsing512M() {
   size_t signature = 512 * 1024 * 1024;
   base::debug::Alias(&signature);
   OOM_CRASH();
 }
 
-static NEVER_INLINE void partitionsOutOfMemoryUsing256M() {
+static NOINLINE void partitionsOutOfMemoryUsing256M() {
   size_t signature = 256 * 1024 * 1024;
   base::debug::Alias(&signature);
   OOM_CRASH();
 }
 
-static NEVER_INLINE void partitionsOutOfMemoryUsing128M() {
+static NOINLINE void partitionsOutOfMemoryUsing128M() {
   size_t signature = 128 * 1024 * 1024;
   base::debug::Alias(&signature);
   OOM_CRASH();
 }
 
-static NEVER_INLINE void partitionsOutOfMemoryUsing64M() {
+static NOINLINE void partitionsOutOfMemoryUsing64M() {
   size_t signature = 64 * 1024 * 1024;
   base::debug::Alias(&signature);
   OOM_CRASH();
 }
 
-static NEVER_INLINE void partitionsOutOfMemoryUsing32M() {
+static NOINLINE void partitionsOutOfMemoryUsing32M() {
   size_t signature = 32 * 1024 * 1024;
   base::debug::Alias(&signature);
   OOM_CRASH();
 }
 
-static NEVER_INLINE void partitionsOutOfMemoryUsing16M() {
+static NOINLINE void partitionsOutOfMemoryUsing16M() {
   size_t signature = 16 * 1024 * 1024;
   base::debug::Alias(&signature);
   OOM_CRASH();
 }
 
-static NEVER_INLINE void partitionsOutOfMemoryUsingLessThan16M() {
+static NOINLINE void partitionsOutOfMemoryUsingLessThan16M() {
   size_t signature = 16 * 1024 * 1024 - 1;
   base::debug::Alias(&signature);
   DLOG(FATAL) << "ParitionAlloc: out of memory with < 16M usage (error:"
               << getAllocPageErrorCode() << ")";
 }
 
 void Partitions::handleOutOfMemory() {
   volatile size_t totalUsage = totalSizeOfCommittedPages();
   uint32_t allocPageErrorCode = getAllocPageErrorCode();
   base::debug::Alias(&allocPageErrorCode);
@@ skipping 10 matching lines @@
     partitionsOutOfMemoryUsing128M();
   if (totalUsage >= 64 * 1024 * 1024)
     partitionsOutOfMemoryUsing64M();
   if (totalUsage >= 32 * 1024 * 1024)
     partitionsOutOfMemoryUsing32M();
   if (totalUsage >= 16 * 1024 * 1024)
     partitionsOutOfMemoryUsing16M();
   partitionsOutOfMemoryUsingLessThan16M();
 }
 
-}  // namespace WTF
+}  // namespace base