xe_bo_is_purged(9)

📦 version 7.3.1, in nixpkgs unstable

💅 xe_bo_is_purged — check if a buffer object has been purged ✨

okay so this one is from the Kernel API Manual (kernel docs, we love her), and it's about asking one very important question: has this buffer object been purged? 🫶

🌸 NAME 🌸

xe_bo_is_purged — check if a buffer object has been purged 💖

✨ SYNOPSIS ✨

bool xe_bo_is_purged (struct xe_bo *bo );

🎀 ARGUMENTS 🎀

  • bo — the buffer object you're checking, bestie. that's the one.

🦋 DESCRIPTION 🦋

so this function checks whether the buffer object's backing store has been discarded by the kernel because of memory pressure — and this only happens after the BO was marked as purgeable (DONTNEED). 💀

⚠️ once it's purged, the BO cannot be restored, and any attempt to use it will fail. no cap, it's gone gone. 😭

💅 CONTEXT 💅

the caller must hold the BO's dma-resv lock. like, that's not optional, that's the vibe check. 🔒

⭐ RETURN ⭐

  • true if the BO has been purged 👑
  • false otherwise 🌈

🔥 SEE ALSO 🔥

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

that's the whole page, icon, go check your BOs 🧚💜

this lil gem lives at ./drivers/gpu/drm/xe, dated October 2026 — shoutout to the kernel api manual for keeping it cute ✨🍓

📦 where this page comes from