malloc: refactor mmap allocator #21332
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zhangxu19830126
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Feb 14, 2025
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This reverts commit b9d7f98.
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not suitable for mo. Approved by: @zhangxu19830126
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…xorigin#21406) This reverts commit d877a55.
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What type of PR is this?
Which issue(s) this PR fixes:
issue #https://github.com/matrixorigin/MO-Cloud/issues/4753
What this PR does / why we need it:
replaced channel-based buffering with a slab allocator in fixed_size_mmap_allocator.go
reduces mmap syscalls by reusing slabs and batching object allocations.