unmapped_area(9)

📦 version 7.3.1, in nixpkgs unstable

🦋 unmapped_area(9) — Kernel API Manual moment 🦋

okay bestie, welcome to the Kernel API Manual page for unmapped_area(9) — the title is giving find-an-area energy and we're here for it 💅 no cap, every detail is staying.

🌸 NAME 🌸

unmapped_area — find an area between the low_limit and the high_limit with the correct alignment and offset, all from @info. Note: current->mm is used for the search. fr fr

✨ SYNOPSIS ✨

unsigned long unmapped_area (struct vm_unmapped_area_info *info );

That's the whole signature, bestie — short and iconic.

🎀 ARGUMENTS 🎀

  • info — the unmapped area information, including the range [low_limit - high_limit), the alignment offset and mask. That's the whole info packet, bestie 🎁

🔥 RETURN 🔥

A memory address or -ENOMEM. That's the whole return vibe — address or nope 💀

🦋 SEE ALSO 🦋

Kernel file ./mm/vma.c, plus these related calls:

mwah 💋 source/version ./mm, dated October 2026, page unmapped_area(9) — bye bestie, go find that area 🎀

📦 where this page comes from