vmf_insert_pfn_pmd(9)

NAME 🌸

okay so bestie, this is vmf_insert_pfn_pmd(9) from the Kernel API Manual — the name line is literally vmf_insert_pfn_pmd - insert a pmd size pfn 💅✨. No cap, that's the whole vibe.

SYNOPSIS ✨

Here's the exact signature, bestie — keep it cozy in code:

vm_fault_t vmf_insert_pfn_pmd (struct vm_fault *vmf , unsigned long pfn , bool write );

ARGUMENTS 🎀

• vmf — the structure describing the fault 🫶
• pfn — the pfn to insert 🌟
• write — whether it's a write fault ✍️

DESCRIPTION 💖

So the job is literally: insert a pmd size pfn ✨. See vmf_insert_pfn for additional info 🫶.

RETURN 🔥

Returns a vm_fault_t value, periodt 💅.

SEE ALSO 🦋

Kernel file ./mm/huge_memory.c plus these iconic references:

• vmf_insert_pfn_pud(9)
• vmf_insert_folio_pud(9)
• touch_pmd(9)
• zap_huge_pmd(9)
• __split_unmapped_folio(9)
• folio_check_splittable(9)
• __folio_split(9)
• folio_split_unmapped(9)
• folio_split(9)
• min_order_for_split(9)

okay that's the page, bestie 🫶. Source/version vibes: ./mm, dated October 2026, all for vmf_insert_pfn_pmd(9) 💖💅. Now go slay those page-table moments ✨.