radeon_vm_update_ptes(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

okay bestie, welcome to radeon_vm_update_ptes(9) from the Kernel API Manual ✨ this is the page about making sure page tables are valid, and it is giving lowkey essential GPU bookkeeping energy πŸ’…

πŸ’– NAME πŸ’–

  • radeon_vm_update_ptes β€” make sure that page tables are valid πŸŽ€

✨ SYNOPSIS ✨

int radeon_vm_update_ptes (struct radeon_device *rdev , struct radeon_vm
*vm , struct radeon_ib *ib , uint64_t start , uint64_t end , uint64_t
dst , uint32_t flags );

🫢 ARGUMENTS 🫢

  • rdev β€” radeon_device pointer πŸ–₯️
  • vm β€” requested vm 🌸
  • ib β€” indirect buffer to use for the update 🧚
  • start β€” start of GPU address range πŸŽ€
  • end β€” end of GPU address range πŸ¦‹
  • dst β€” destination address to map to πŸ“
  • flags β€” mapping flags 🚩

🌸 DESCRIPTION 🌸

Update the page tables in the range start - end (cayman+). πŸ› οΈ

⚠️ Global and local mutex must be locked! ⚠️ like, both of them, bestie β€” global and local, locked. no cap, this is not a skip-it situation 😭

πŸ¦‹ SEE ALSO πŸ¦‹

Kernel file ./drivers/gpu/drm/radeon/radeon_vm.c is where it's at, and here's the whole linked-functions group chat πŸ‘‘:


mwah πŸ’‹ β€” source: ./drivers/gpu/drm/radeon; date: October 2026; manual title: radeon_vm_update_ptes(9). that's the footer, folded into a cute little sign-off 🫢

πŸ“¦ where this page comes from