zk-alloc: M2 Asahi aarch64 perf fixes (cherry-picked from zkam experiment)#220

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Barnadrot:fix/zkalloc-m2-asahi-fixes

Commits on May 11, 2026

fix: safe arena routing (size-routing + sticky-System realloc) (mirrors https://github.com/Barnadrot/zk-alloc/pull/9)

TomWambsgans
and
Barnadrot
committed
fix: realloc memmove + nested-phase panic (mirrors https://github.com/Barnadrot/zk-alloc/pull/10)

TomWambsgans
and
Barnadrot
committed
vendor: aarch64 cfg fix from Barnadrot/zk-alloc#11
Barnadrot
committed
zkam-8: 32 MiB-aligned mmap + MADV_HUGEPAGE + eager pre-touch (aarch64)
Barnadrot
committed
zkam-10: lower MIN_ARENA_BYTES to 256 on top of THP
Barnadrot
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zkam-19: adaptive PRETOUCH_BYTES, capped at MemTotal/MAX_THREADS/3
Barnadrot
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chore(zk-alloc): cfg-gate aligned_base for x86 (clippy 1.94)
Barnadrot
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fix(zk-alloc): cfg-gate MIN_ARENA_BYTES — was unintentionally lowered to 256 on every arch
Barnadrot
committed