folio_add_file_rmap_pud(9)

📦 version 7.3.1, in nixpkgs unstable

okay bestie, welcome to the Kernel API Manual page for folio_add_file_rmap_pud(9) 🫶 this one is short, iconic, and lowkey all about adding a PUD mapping to a page range of a folio. let’s get into it 💅

🌸 NAME 🌸

folio_add_file_rmap_pud — add a PUD mapping to a page range of a folio ✨

🌟 SYNOPSIS 🌟

void folio_add_file_rmap_pud (struct folio *folio , struct page *page ,
struct vm_area_struct *vma );

🎀 ARGUMENTS 🎀

  • folio — the folio to add the mapping to 💖
  • page — the first page to add 🦋
  • vma — the vm area in which the mapping is added 🌸

💫 DESCRIPTION 💫

the page range of the folio is defined by [page, page + HPAGE_PUD_NR) — yes, literally that range, bestie 💅

🚨 the caller needs to hold the page table lock. that’s the requirement, no cap.

🔥 SEE ALSO 🔥

Kernel file: ./mm/rmap.c — and here’s the whole friend group:

mwah 💋 this page came from ./mm, dated October 2026, and it’s the folio_add_file_rmap_pud(9) manual entry — bye bestie! 🎀

📦 where this page comes from