pud_clear_huge(9)

🦋 pud_clear_huge(9) 🦋

okay bestie, you're in the Kernel API Manual and this is the page for pud_clear_huge(9) — the lowkey little helper for clearing a kernel PUD mapping when it's set. let's get into it 💅

📛 NAME 📛

pud_clear_huge — Clear kernel PUD mapping when it is set. periodt.

✨ SYNOPSIS ✨

int pud_clear_huge (pud_t *pud );

🫶 ARGUMENTS 🫶

• pud — Pointer to the PUD entry to clear. that's the whole assignment, bestie.

💖 DESCRIPTION 💖

This one is giving return-value clarity: it returns 1 on success and 0 on failure (no PUD map is found).

ngl, the failure case is literally just “no PUD map is found.” that's the documented vibe 💀

👀 SEE ALSO 👀

• Kernel file ./arch/x86/mm/pgtable.c — reserve_top_address(9)
• p4d_set_huge(9)
• p4d_clear_huge(9)
• pud_set_huge(9)
• pmd_set_huge(9)
• pmd_clear_huge(9)
• pmd_free_pte_page(9)

that's the whole page, bestie 🎀 source/version is ./arch/x86/mm, dated October 2026, and the footer title is pud_clear_huge(9). bye 💅✨