pt_top_range(9)

📦 version 7.3.1, in nixpkgs unstable

💅 pt_top_range(9) — like, the Kernel API Manual page you didn't know you needed 🎀

okay so bestie, welcome to the glow-up of pt_top_range(9) from the Kernel API Manual — yes, that's the manual name, we're not hiding it, we're wearing it like a cute little accessory ✨

🌸 NAME 🌸

pt_top_range — returns a range that spans part of the top level 🫶 literally just a slice of the top level, that's the whole vibe

🦋 SYNOPSIS 🦋

struct pt_range pt_top_range (struct pt_common *common );

no cap, that's the exact signature, character for character 💅

🍓 ARGUMENTS 🍓

  • common — the table 💖 yeah that's it, it's just the table, she's the main character here

⭐ DESCRIPTION ⭐

okay so here's the tea ☕ for PT_FEAT_SIGN_EXTEND, this function returns the lower range, and it covers half the total page table. half! like it's splitting the page table with its bestie 🙈

otherwise — and by "otherwise" I mean literally any other case — it returns the entire page table. the whole thing. full send. 🔥

🌈 SEE ALSO 🌈

Kernel file ./drivers/iommu/generic_pt/pt_iter.h — and bestie, the whole friend group is here, iykyk 👑

and that's the page, bestie 💜 this icon of a manpage came to you from ./drivers/iommu/generic_pt, dated October 2026, under the Kernel API Manual banner — periodt, go read the whole friend group, they all ate 💅✨🎀

📦 where this page comes from