AuroraMiddleware/v8
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Don't scan on scavenge dead large objects.

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BUG=

Review URL: https://codereview.chromium.org/994893002

Cr-Commit-Position: refs/heads/master@{#27092}
This commit is contained in:
hpayer 2015-03-10 03:34:05 -07:00 committed by Commit bot
parent 3f5ff276f3
commit 8baa5a087d
1 changed files with 9 additions and 0 deletions
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9
src/heap/store-buffer.cc
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@ -452,6 +452,15 @@ void StoreBuffer::ClearInvalidStoreBufferEntries() {
}
old_top_ = new_top;
ClearFilteringHashSets();
// Don't scan on scavenge dead large objects.
LargeObjectIterator it(heap_->lo_space());
for (HeapObject* object = it.Next(); object != NULL; object = it.Next()) {
MemoryChunk* chunk = MemoryChunk::FromAddress(object->address());
if (chunk->scan_on_scavenge() && !Marking::MarkBitFrom(object).Get()) {
chunk->set_scan_on_scavenge(false);
}
}
}