Reland of "[heap] Switch to 500k pages"

test/cctest/test-serialize.cc

 // Copyright 2007-2010 the V8 project authors. 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
@@ skipping 1159 matching lines @@
   v8::HandleScope scope(CcTest::isolate());
 
   Vector<const uint8_t> source_a =
       ConstructSource(STATIC_CHAR_VECTOR("var a = \""), STATIC_CHAR_VECTOR("a"),
                       STATIC_CHAR_VECTOR("\";"), 700000);
   Handle<String> source_a_str =
       f->NewStringFromOneByte(source_a).ToHandleChecked();
 
   Vector<const uint8_t> source_b =
       ConstructSource(STATIC_CHAR_VECTOR("var b = \""), STATIC_CHAR_VECTOR("b"),
-                      STATIC_CHAR_VECTOR("\";"), 600000);
+                      STATIC_CHAR_VECTOR("\";"), 400000);
   Handle<String> source_b_str =
       f->NewStringFromOneByte(source_b).ToHandleChecked();
 
   Vector<const uint8_t> source_c =
       ConstructSource(STATIC_CHAR_VECTOR("var c = \""), STATIC_CHAR_VECTOR("c"),
-                      STATIC_CHAR_VECTOR("\";"), 500000);
+                      STATIC_CHAR_VECTOR("\";"), 400000);
   Handle<String> source_c_str =
       f->NewStringFromOneByte(source_c).ToHandleChecked();
 
   Handle<String> source_str =
       f->NewConsString(
              f->NewConsString(source_a_str, source_b_str).ToHandleChecked(),
              source_c_str).ToHandleChecked();
 
   Handle<JSObject> global(isolate->context()->global_object());
   ScriptData* cache = NULL;
@@ skipping 12 matching lines @@
 
   Handle<JSFunction> copy_fun =
       isolate->factory()->NewFunctionFromSharedFunctionInfo(
           copy, isolate->native_context());
 
   USE(Execution::Call(isolate, copy_fun, global, 0, NULL));
 
   v8::Maybe<int32_t> result =
       CompileRun("(a + b).length")
           ->Int32Value(v8::Isolate::GetCurrent()->GetCurrentContext());
-  CHECK_EQ(600000 + 700000, result.FromJust());
+  CHECK_EQ(400000 + 700000, result.FromJust());
   result = CompileRun("(b + c).length")
                ->Int32Value(v8::Isolate::GetCurrent()->GetCurrentContext());
-  CHECK_EQ(500000 + 600000, result.FromJust());
+  CHECK_EQ(400000 + 400000, result.FromJust());
   Heap* heap = isolate->heap();
   v8::Local<v8::String> result_str =
       CompileRun("a")
           ->ToString(CcTest::isolate()->GetCurrentContext())
           .ToLocalChecked();
   CHECK(heap->InSpace(*v8::Utils::OpenHandle(*result_str), LO_SPACE));
   result_str = CompileRun("b")
                    ->ToString(CcTest::isolate()->GetCurrentContext())
                    .ToLocalChecked();
   CHECK(heap->InSpace(*v8::Utils::OpenHandle(*result_str), OLD_SPACE));
@@ skipping 941 matching lines @@
   }
   delete[] blob.data;
 }
 
 TEST(SerializationMemoryStats) {
   FLAG_profile_deserialization = true;
   FLAG_always_opt = false;
   v8::StartupData blob = v8::V8::CreateSnapshotDataBlob();
   delete[] blob.data;
 }