folio_lru_list(9)

💅 folio_lru_list(9) — Kernel API Manual energy ✨

okay so bestie, welcome to the Kernel API Manual page for folio_lru_list — this is the little function that answers the very important question: which LRU list should a folio be on? 🫶

🌸 NAME 🌸

folio_lru_list — which LRU list should a folio be on?

🦋 SYNOPSIS 🦋

enum lru_list folio_lru_list (const struct folio *folio );

🎀 ARGUMENTS 🎀

• folio — the folio you're testing. That's literally it, that's the whole argument. 💖

🔥 RETURN 🔥

It gives you the LRU list that a folio should be on, as an index into the array of LRU lists. index energy, no cap. ✨

👑 SEE ALSO 👑

• Kernel file ./include/linux/mm_inline.h
• folio_is_file_lru(9)
• __folio_clear_lru_flags(9)
• num_pages_contiguous(9)

that's the whole page, bestie — source/version: ./include/linux, date: October 2026. slay 💅🎀