PartitionAlloc: Update totalSizeOf.* counters when allocation succeeds

Source/wtf/PartitionAlloc.cpp

 /*
  * 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
@@ skipping 302 matching lines @@
     recommitSystemPages(addr, len);
     root->totalSizeOfCommittedPages += len;
 }
 
 static ALWAYS_INLINE void* partitionAllocPartitionPages(PartitionRootBase* root, int flags, uint16_t numPartitionPages)
 {
     ASSERT(!(reinterpret_cast<uintptr_t>(root->nextPartitionPage) % kPartitionPageSize));
     ASSERT(!(reinterpret_cast<uintptr_t>(root->nextPartitionPageEnd) % kPartitionPageSize));
     RELEASE_ASSERT(numPartitionPages <= kNumPartitionPagesPerSuperPage);
     size_t totalSize = kPartitionPageSize * numPartitionPages;
-    root->totalSizeOfCommittedPages += totalSize;
     size_t numPartitionPagesLeft = (root->nextPartitionPageEnd - root->nextPartitionPage) >> kPartitionPageShift;
     if (LIKELY(numPartitionPagesLeft >= numPartitionPages)) {
         // In this case, we can still hand out pages from the current super page
         // allocation.
         char* ret = root->nextPartitionPage;
         root->nextPartitionPage += totalSize;
+        root->totalSizeOfCommittedPages += totalSize;
         return ret;
     }
 
     // Need a new super page.
-    root->totalSizeOfSuperPages += kSuperPageSize;
     char* requestedAddress = root->nextSuperPage;
     char* superPage = reinterpret_cast<char*>(allocPages(requestedAddress, kSuperPageSize, kSuperPageSize));
     if (UNLIKELY(!superPage))
         return 0;
+
+    root->totalSizeOfSuperPages += kSuperPageSize;
+    root->totalSizeOfCommittedPages += totalSize;
+
     root->nextSuperPage = superPage + kSuperPageSize;
     char* ret = superPage + kPartitionPageSize;
     root->nextPartitionPage = ret + totalSize;
     root->nextPartitionPageEnd = root->nextSuperPage - kPartitionPageSize;
     // Make the first partition page in the super page a guard page, but leave a
     // hole in the middle.
     // This is where we put page metadata and also a tiny amount of extent
     // metadata.
     setSystemPagesInaccessible(superPage, kSystemPageSize);
     setSystemPagesInaccessible(superPage + (kSystemPageSize * 2), kPartitionPageSize - (kSystemPageSize * 2));
@@ skipping 631 matching lines @@
     printf("total live: %zu bytes\n", totalLive);
     printf("total resident: %zu bytes\n", totalResident);
     printf("total freeable: %zu bytes\n", totalFreeable);
     fflush(stdout);
 }
 
 #endif // !NDEBUG
 
 } // namespace WTF