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blockmalloc: atomic full-word head_and_blocks access and TTAS spinlock - #3
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Summary
head_and_blocksvia full-word atomic loads/stores (blocks_head_size,blocks_malloc_count,blocks_set_malloc_count) to eliminate bit-field data races with lock-free readers while preserving the 48-byteblocks_meta_tlayout.Verification
ctest --test-dir build --output-on-failure: 5/5 passed.