Reduce max executable size limit.

src/heap.h

 // 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.
 
 #ifndef V8_HEAP_H_
 #define V8_HEAP_H_
 
 #include <cmath>
 
 #include "src/allocation.h"
@@ skipping 1067 matching lines @@
       128 * kPointerMultiplier;
   static const int kMaxOldSpaceSizeMediumMemoryDevice =
       256 * kPointerMultiplier;
   static const int kMaxOldSpaceSizeHighMemoryDevice =
       512 * kPointerMultiplier;
   static const int kMaxOldSpaceSizeHugeMemoryDevice =
       700 * kPointerMultiplier;
 
   // The executable size has to be a multiple of Page::kPageSize.
   // Sizes are in MB.
-  static const int kMaxExecutableSizeLowMemoryDevice =
-      128 * kPointerMultiplier;
+  static const int kMaxExecutableSizeLowMemoryDevice = 96 * kPointerMultiplier;
   static const int kMaxExecutableSizeMediumMemoryDevice =
+      192 * kPointerMultiplier;
+  static const int kMaxExecutableSizeHighMemoryDevice =
       256 * kPointerMultiplier;
-  static const int kMaxExecutableSizeHighMemoryDevice =
-      512 * kPointerMultiplier;
   static const int kMaxExecutableSizeHugeMemoryDevice =
-      700 * kPointerMultiplier;
+      256 * kPointerMultiplier;
 
   intptr_t OldGenerationAllocationLimit(intptr_t old_gen_size,
                                         int freed_global_handles);
 
   // Indicates whether inline bump-pointer allocation has been disabled.
   bool inline_allocation_disabled() { return inline_allocation_disabled_; }
 
   // Switch whether inline bump-pointer allocation should be used.
   void EnableInlineAllocation();
   void DisableInlineAllocation();
@@ skipping 1548 matching lines @@
   DisallowHeapAllocation no_allocation;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_