swap_free_hibernation_slot(9)

💖 swap_free_hibernation_slot(9) 💖

okay so bestie, welcome to the Kernel API Manual — this page is all about swap_free_hibernation_slot(9), and the vibe is “free that hibernation swap slot.” no cap, it’s a whole little kernel moment. 🦋✨

🎀 NAME 🎀

swap_free_hibernation_slot — free a swap slot that was allocated for hibernation. 💅

🌟 SYNOPSIS 🌟

void swap_free_hibernation_slot (swp_entry_t entry );

🌸 ARGUMENTS 🌸

• entry — the swap entry to free. that’s the one and only argument, bestie. 🫶

🔥 DESCRIPTION 🔥

okay so the whole point: this frees a swap slot that got allocated for hibernation. iconic behavior, honestly.

⚠️ but listen: the caller must ensure the swap device is stable. that’s the rule, fr fr. do not skip the vibe check on the swap device. 😭💀

🌈 SEE ALSO 🌈

• Kernel file ./mm/swapfile.c — the main-character file for this whole situation. 👑
• swap_put_entries_cluster(9)
• swap_dup_entries_cluster(9)
• folio_alloc_swap(9)
• folio_dup_swap(9)
• folio_put_swap(9)
• swap_entry_swapped(9)
• folio_free_swap(9)
• swap_put_entries_direct(9)
• swap_alloc_hibernation_slot(9)
• pin_hibernation_swap_type(9)
• unpin_hibernation_swap_type(9)
• find_hibernation_swap_type(9)

mwah 💋 — cute lil sign-off: this page is from ./mm, dated October 2026, and it’s the manual page for swap_free_hibernation_slot(9). that’s the footer energy, bestie. periodt. 💜🎀