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Preserve broken hugepage state in PageMap across HugeCache/HugeAllocator reuse. - #1357
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…tor reuse. Use `PackedPtr<PageTracker>` in `HugePageAwareAllocator` and `StaticForwarder` to encode broken hugepage state in the low bit of `PageMap` entries across whole-hugepage releases and subsequent reuse. PiperOrigin-RevId: 997556385
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Preserve broken hugepage state in PageMap across HugeCache/HugeAllocator reuse.
Use
PackedPtr<PageTracker>inHugePageAwareAllocatorandStaticForwarderto encode broken hugepage state in the low bit of
PageMapentries acrosswhole-hugepage releases and subsequent reuse.