PPC: set kMinimumCodeRangeSize in test-spaces/Regress3540 as multiple of PageSize

test/cctest/heap/test-spaces.cc

 // Copyright 2011 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 190 matching lines @@
 
 TEST(Regress3540) {
   Isolate* isolate = CcTest::i_isolate();
   Heap* heap = isolate->heap();
   MemoryAllocator* memory_allocator = new MemoryAllocator(isolate);
   CHECK(memory_allocator->SetUp(heap->MaxReserved(), heap->MaxExecutableSize(),
                                 0));
   TestMemoryAllocatorScope test_allocator_scope(isolate, memory_allocator);
   CodeRange* code_range = new CodeRange(isolate);
   size_t code_range_size =
-      kMinimumCodeRangeSize > 0 ? kMinimumCodeRangeSize : 3 * MB;
+      kMinimumCodeRangeSize > 0 ? kMinimumCodeRangeSize : 3 * Page::kPageSize;
   if (!code_range->SetUp(code_range_size)) {
     return;
   }
 
   Address address;
   size_t size;
   size_t request_size = code_range_size - Page::kPageSize;
   address = code_range->AllocateRawMemory(
       request_size, request_size - (2 * MemoryAllocator::CodePageGuardSize()),
       &size);
@@ skipping 454 matching lines @@
     new_space->RemoveAllocationObserver(&observer2);
 
     CHECK_EQ(observer1.count(), 32);
     CHECK_EQ(observer2.count(), 28);
   }
   isolate->Dispose();
 }
 
 }  // namespace internal
 }  // namespace v8