drm_vma_offset_remove(9)

💅 drm_vma_offset_remove(9) — from the Kernel API Manual, bestie

okay so picture this: it's the kernel API manual, it's giving very "drivers/gpu/drm" energy, and this one little function is here to clean up after everybody. let's get into it ✨

---

🌸 NAME 🌸

drm_vma_offset_remove — the function that takes an offset node and yeets it right out of the manager. no cap, that's literally the whole job 🎀

---

✨ SYNOPSIS ✨

void drm_vma_offset_remove (struct drm_vma_offset_manager *mgr , struct
drm_vma_offset_node *node );

like yes, it returns void, it's not here to give you a report card, it just does the thing 💅

---

🦋 ARGUMENTS 🦋

• mgr — the manager object. the boss. the one holding the vibes (and the offsets) together 👑
• node — the node that's getting removed. bye bestie, we hardly knew ye 🫶

---

🔥 DESCRIPTION 🔥

So here's the tea: this function removes a node from the offset manager. that's it, that's the plot.

And like — if the node wasn't added before in the first place? nothing happens. zero. zilch. it just does nothing and honestly, respect the boundaries 🙈

But here's the part you actually need to remember: after this call returns, the offset and the size will be 0 until a new offset gets allocated via drm_vma_offset_add again. so if you're out here wondering why everything reads 0 afterwards — that's not a bug, that's just the vibe check you signed up for 😭

Also, this goes for the helper girlies too: functions like drm_vma_node_start and drm_vma_node_offset_addr will return 0 if no offset is allocated. iconic behavior, honestly. no offset, no number, no problem ✨

lowkey important: don't expect the old offset to stick around after removal. it's gone gone. you gotta call drm_vma_offset_add again if you want a fresh one 💖

---

🌈 SEE ALSO 🌈

go read these, they're all in the same friend group:

• Kernel file ./drivers/gpu/drm/drm_vma_manager.c — and the page vma offset manager(9)
• drm_vma_offset_manager_init(9)
• drm_vma_offset_manager_destroy(9)
• drm_vma_offset_lookup_locked(9)
• drm_vma_offset_add(9)
• drm_vma_node_allow(9)
• drm_vma_node_allow_once(9)
• drm_vma_node_revoke(9)
• drm_vma_node_is_allowed(9)

---

and that's the whole page, bestie 🧚💜 it lives at ./drivers/gpu/drm, it's dated October 2026, and it's filed under drm_vma_offset_remove(9) — go off, kernel docs, you ate ⭐🌸