Made zone segments aligned in memory and included a pointer to the zone in the header. Larger objec…

src/base/platform/platform-linux.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Platform-specific code for Linux goes here. For the POSIX-compatible
 // parts, the implementation is in platform-posix.cc.
 
 #include <pthread.h>
 #include <semaphore.h>
 #include <signal.h>
@@ skipping 257 matching lines @@
 
 
 VirtualMemory::~VirtualMemory() {
   if (IsReserved()) {
     bool result = ReleaseRegion(address(), size());
     DCHECK(result);
     USE(result);
   }
 }
 
-
-bool VirtualMemory::IsReserved() {
-  return address_ != NULL;
-}
-
+bool VirtualMemory::IsReserved() const { return address_ != NULL; }
 
 void VirtualMemory::Reset() {
   address_ = NULL;
   size_ = 0;
 }
 
 
 bool VirtualMemory::Commit(void* address, size_t size, bool is_executable) {
   CHECK(InVM(address, size));
   return CommitRegion(address, size, is_executable);
@@ skipping 70 matching lines @@
   return munmap(base, size) == 0;
 }
 
 
 bool VirtualMemory::HasLazyCommits() {
   return true;
 }
 
 }  // namespace base
 }  // namespace v8