folio_dup_file_rmap_ptes(9)

💖 NAME 💖

okay so bestie, welcome to the Kernel API Manual page for folio_dup_file_rmap_ptes(9) — the main character energy here is all about duplicating PTE mappings of a page range of a folio. That's the whole vibe, periodt. 💅

✨ SYNOPSIS ✨

void folio_dup_file_rmap_ptes (struct folio *folio , struct page *page ,
       int nr_pages , struct vm_area_struct *dst_vma );

🎀 ARGUMENTS 🎀

• folio — the folio to duplicate the mappings of. 🦋
• page — the first page to duplicate the mappings of. 🌸
• nr_pages — the number of pages of which the mapping will be duplicated. ✨
• dst_vma — the destination vm area. 💖

🌈 DESCRIPTION 🌈

The page range of the folio is defined by [page, page + nr_pages) — that's literally the exact interval, no cap. 🫶

🚨 heads up, bestie: the caller needs to hold the page table lock. fr fr, that's a thing.

👑 SEE ALSO 👑

Kernel file ./include/linux/rmap.h — and the related-iconic crew is:

• folio_dup_file_rmap_pmd(9)
• folio_try_dup_anon_rmap_ptes(9)
• folio_try_dup_anon_rmap_pmd(9)
• folio_try_share_anon_rmap_pte(9)
• folio_try_share_anon_rmap_pmd(9)
• page_vma_mapped_walk_restart(9)

mwah 💋 cute little sign-off time: this page is sourced from ./include/linux, dated October 2026, and yes bestie, the page name stays folio_dup_file_rmap_ptes(9) — slay. 💜