kho_unpreserve_vmalloc(9)

✨ kho_unpreserve_vmalloc(9) ✨

okay so bestie, we're in the Kernel API Manual today and this one's called kho_unpreserve_vmalloc — say that five times fast, i dare you 💅

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🎀 NAME 🎀

kho_unpreserve_vmalloc — unpreserve memory allocated with vmalloc()

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🦋 SYNOPSIS 🦋

void kho_unpreserve_vmalloc (struct kho_vmalloc *preservation );

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🌸 ARGUMENTS 🌸

• preservation — the preservation metadata that was handed back to you by kho_preserve_vmalloc. like, the receipt for the thing you preserved. keep it safe, you literally need it here 🫶

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💖 DESCRIPTION 💖

So here's the vibe: this function tells KHO to unpreserve the area in vmalloc address space that you previously preserved with kho_preserve_vmalloc. that's it, that's the whole plot ✨ it's the undo button for a preservation, no cap.

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👑 SEE ALSO 👑

Kernel file ./kernel/liveupdate/kexec_handover.c — go read the source, it's giving main character energy 🔥

• kho_encode_radix_key(9)
• kho_decode_radix_key(9)
• kho_radix_add_key(9)
• kho_radix_del_key(9)
• kho_radix_init_tree(9)
• kho_radix_destroy_tree(9)
• kho_radix_walk_tree(9)
• kho_restore_folio(9)
• kho_restore_pages(9)
• kho_reserve_scratch(9)
• kho_add_subtree(9)
• kho_preserve_folio(9)
• kho_unpreserve_folio(9)
• kho_preserve_pages(9)
• kho_unpreserve_pages(9)
• kho_preserve_vmalloc(9)
• kho_restore_vmalloc(9)
• kho_alloc_preserve(9)
• kho_unpreserve_free(9)
• kho_restore_free(9)
• is_kho_boot(9)
• kho_retrieve_subtree(9)

like, the whole friend group fr fr 💜

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mwah, that's a wrap 🍓 this lil page lives in ./kernel/liveupdate and it's dated October 2026 — stan a manpage with a timestamp, periodt 💅✨