kho_restore_folio(9)

🦋 kho_restore_folio(9) 🦋

okay bestie, welcome to the Kernel API Manual page for kho_restore_folio(9) — she’s lowkey a whole main character in the liveupdate kernel file era ✨

💖 NAME 💖

kho_restore_folio — recreates the folio from the preserved memory. that's the whole assignment, no cap 💅

✨ SYNOPSIS ✨

struct folio * kho_restore_folio (phys_addr_t phys );

yes bestie, that’s the signature, right there in all its glory 🎀

🌸 ARGUMENTS 🌸

• phys — physical address of the folio. literally the physical address, keep it exact 🫶

🎀 RETURN 🎀

pointer to the struct folio on success, NULL on failure. slay when it works, 😭 when it doesn’t — but those are the only two outcomes listed here, periodt.

🔥 SEE ALSO 🔥

Kernel file: ./kernel/liveupdate/kexec_handover.c

• 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_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_unpreserve_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)

mwah 💋 — source/version: ./kernel/liveupdate, date: October 2026. now go restore that folio and be iconic, bestie 🧚💜