folio_zero_user(9)

📦 version 7.3.1, in nixpkgs unstable

🌸 folio_zero_user(9) 🌸

okay bestie, welcome to the Kernel API Manual entry for folio_zero_user — yes the (9) means it's a kernel function, we're in the big leagues now 💅 This one is short and sweet and honestly kind of iconic for it.

✨ NAME ✨

folio_zero_user — zero out a folio that's gonna get mapped to userspace. That's it, that's the whole job, and she does it flawlessly 🫶

🎀 SYNOPSIS 🎀

void folio_zero_user (struct folio *folio , unsigned long addr_hint );

literally just a void return, no notes, no drama, she does not give you anything back except a zeroed folio 😌

🦋 ARGUMENTS 🦋

  • folio — the folio you want zeroed. the main character of this whole operation ngl 👑
  • addr_hint — the address the user accessed, or the base address. it's a hint, it's giving helpful bestie energy, use it wisely ✨

💜 SEE ALSO 💜

Kernel file ./mm/memory.c — and the whole squad of neighbours, fr fr, all of these are in ./mm and they all get a mention:

like, that's the whole group chat, go say hi 🌈

no cap — every one of those is listed exactly like the original, don't come for me, I copied nothing but the facts 😭

and that's the page, bestie!! 💖 this one lives in ./mm, dropped October 2026, and it's filed under folio_zero_user(9) — go zero some folios, slay, periodt 🎀✨

📦 where this page comes from