tlb_remove_tlb_entry(9)

🎀 tlb_remove_tlb_entry(9) 🎀

okay so bestie, this is a page from the Kernel API Manual, and we're talking about tlb_remove_tlb_entry. it's giving “tiny helper with big TLB energy” 💅✨

🌸 NAME 🌸

tlb_remove_tlb_entry — remember a pte unmapping for later tlb invalidation. like, it's the lil note-to-self so the tlb invalidation can happen later, periodt 🫶

✨ SYNOPSIS ✨

tlb_remove_tlb_entry (tlb , ptep , address );

🦋 ARGUMENTS 🦋

• tlb — the manpage hits us with -- undescribed -- 😭 literally no extra lore here.
• ptep — also -- undescribed -- 🙈 the page is keeping secrets.
• address — and yep, -- undescribed -- too 💀 bestie, we move.

💖 DESCRIPTION 💖

okay so what it actually does: it records the fact that pte's were really unmapped by updating the range 🔥 that way we can later optimise away the tlb invalidate. highkey iconic.

this helps when userspace is unmapping already-unmapped pages, which happens quite a lot. not me seeing already-unmapped pages get unmapped again 💀 it's a whole vibe.

🌈 SEE ALSO 🌈

• Kernel file ./include/asm-generic/tlb.h — the actual file mentioned in the page 📖
• tlb_remove_tlb_entries(9) — the other page listed right there in SEE ALSO 👑

bestie, that's the whole page. the footer says source/version ./include/asm-generic, dated October 2026 — mwah 💋✨