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[sanitizer] allocator: introduce kUseSeparateSizeClassForBatch (false by…

Authored by kcc on Jul 21 2016, 6:13 PM.

Description

[sanitizer] allocator: introduce kUseSeparateSizeClassForBatch (false by default). When true, it will cause all TransferBatches to be allocated on a separate dedicated size class, which improves security and may potentially simplify memory reclamation. However in the current state this may cause up to 3% extra memory usage. Subsequent changes should bring this overhead down

llvm-svn: 276377

Details

Committed
kccJul 21 2016, 6:13 PM
Parents
rGbe6328b07846: Fix test on windows
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