xe_bo_madv_is_dontneed(9)

📦 version 7.3.1, in nixpkgs unstable

💅 xe_bo_madv_is_dontneed 💅

okay so bestie, welcome to the Kernel API Manual — this one's a little function from the xe driver and it's honestly so straightforward, you're gonna eat it up ✨

🎀 NAME 🎀

xe_bo_madv_is_dontneed — check if a BO is marked as DONTNEED 💖

✨ SYNOPSIS ✨

bool xe_bo_madv_is_dontneed (struct xe_bo *bo );

🦋 ARGUMENTS 🦋

  • bo — the buffer object you're checking, bestie. that's the whole assignment 🫶

🌸 DESCRIPTION 🌸

So this one literally just checks whether userspace has marked this BO as DONTNEED — like, its contents aren't currently needed and can absolutely get discarded under memory pressure 😭💀

And the way this is used internally? it's the vibe check for whether a BO is eligible for purging. that's it. that's the function. iconic behavior honestly 👑

💅 CONTEXT 💅

⚠️ caller must hold the BO's dma-resv lock — no cap, don't skip this one 🙈

⭐ RETURN ⭐

returns true if the BO is marked DONTNEED, and false otherwise 🎀

🌈 SEE ALSO 🌈

Kernel file ./drivers/gpu/drm/xe/xe_bo.h enum 🔥

and that's the whole page, bestie, go forth and check your BOs 🧚💜

source: ./drivers/gpu/drm/xe · dated: October 2026 · you were reading xe_bo_madv_is_dontneed(9) the whole time 🍓🦋

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