gmc_v12_0_flush_gpu_tlb(9)

📦 version 7.3.1, in nixpkgs unstable

💅 gmc_v12_0_flush_gpu_tlb(9) 💅

okay bestie, gather round, because we're diving into the Kernel API Manual and this one is a whole vibe. it's called gmc_v12_0_flush_gpu_tlb and honestly? iconic behavior only. 🎀

✨ NAME ✨

gmc_v12_0_flush_gpu_tlb — it's the gart tlb flush callback, no cap 🫶

🌸 SYNOPSIS 🌸

void gmc_v12_0_flush_gpu_tlb (struct amdgpu_device *adev , uint32_t vmid
, uint32_t vmhub , uint32_t flush_type );

like, that's the whole signature, copy it exactly bestie, don't be weird about it 💖

🦋 ARGUMENTS 🦋

  • adev — the amdgpu_device pointer, aka your main character 🫶
  • vmid — the vm instance you wanna flush, like literally which one
  • vmhub — which hub to flush, yes there are hubs, pick one 💅
  • flush_type — the flush type. that's it. that's the description. slay 🔥

💜 DESCRIPTION 💜

so what does it do? it flushes the TLB for the requested page table. that's the whole thing. that's the assignment and it ate. ✨

like, TLB = translation lookaside buffer, and this bad boy is clearing it out for the page table you asked for. periodt. 💀

🌈 SEE ALSO 🌈

like the whole gmc_v12_0 friend group, fr fr 🫶

okay that's the page!! it lives in ./drivers/gpu/drm/amd/amdgpu, it's dated October 2026, and the page is literally called gmc_v12_0_flush_gpu_tlb(9) — go forth and flush those TLBs bestie, ily, bye 💅💖✨

📦 where this page comes from