amdgpu_vm_ptes_update(9)

📦 version 7.3.1, in nixpkgs unstable

✨ amdgpu_vm_ptes_update(9) ✨

okay so bestie, welcome to the Kernel API Manual 💅 this little page is all about amdgpu_vm_ptes_update(9) — the function that makes sure your page tables are actually valid. yes, those page tables. the GPU ones. iconic behavior honestly 🎀

💖 NAME 💖

amdgpu_vm_ptes_update — make sure that page tables are valid 🦋

🌸 SYNOPSIS 🌸

int amdgpu_vm_ptes_update (struct amdgpu_vm_update_params *params ,
uint64_t start , uint64_t end , uint64_t dst , uint64_t flags );

that's the whole vibe. one int back, five args in. slay ✨

🎀 ARGUMENTS 🎀

  • params — see the amdgpu_vm_update_params definition 🫶 (yes, you gotta go look at it, it's a whole thing)
  • start — start of the GPU address range, like where the little adventure begins ⭐
  • end — end of the GPU address range, the finish line 🌈
  • dst — destination address to map to, and heads up: it's the next dst inside the function, so it moves along as we go 👀
  • flags — mapping flags, the little settings that tell it how to behave 💜

🦋 DESCRIPTION 🦋

literally just this: update the page tables in the range start - end. that's the whole assignment, and it ate 💅

no cap, that's it. the range goes in, the page tables get updated, the GPU stays happy. main character energy 🔥

⭐ RETURN ⭐

  • 0 for success — we love a happy ending 💖
  • -EINVAL for failure — the ick 😭

🌈 SEE ALSO 🌈

the kernel file lives here, bestie:

./drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c

and here's the whole friend group, all in (9) section, all valid page-table-adjacent icons 👑:

ngl, if you're poking around in drm/amd/amdgpu, read the whole crew above. iykyk 🧚

okay that's the page!! mwah 💋 this came from ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and it's amdgpu_vm_ptes_update(9) in the Kernel API Manual — go forth and update those page tables, bestie, you're gonna do amazing 🍓🫶

📦 where this page comes from