api: share_memory fork mode + fork_count/mem_locked on Instance#220

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sjmiller609 wants to merge 9 commits into

hypeship/uffd-firecracker-wiringfrom

hypeship/fork-share-memory-api

Commits on May 8, 2026

templates: add fork-only template registry and promotion lifecycle
sjmiller609
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fork: share template mem-file via symlink for fan-out forks
sjmiller609
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uffd: serve firecracker page faults from a shared template mem-file

sjmiller609
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claude
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uffd: record warmup faults and prefetch them on later forks

sjmiller609
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claude
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firecracker: serve fork mem-file via per-template uffd page server
sjmiller609
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uffd: anchor sockets at short runtime root, not under data dir
sjmiller609
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fork: hardlink shared mem-file to dodge restore-alias ELOOP

sjmiller609
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claude
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fork test: assert mem-file at snapshot-base after firecracker restore
sjmiller609
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api: expose share_memory fork mode + fork_count/mem_locked on Instance
sjmiller609
committed