linux-stable.git/rust/kernel/gpu.rs, branch master Linux kernel stable tree rust: gpu: Add GPU buddy allocator bindings 2026-03-23T20:41:47+00:00 Joel Fernandes joelagnelf@nvidia.com 2026-03-20T04:57:10+00:00 b9616d9721bf8a56d5038e85d2ebbe0ec9d56a94 Add safe Rust abstractions over the Linux kernel's GPU buddy allocator for physical memory management. The GPU buddy allocator implements a binary buddy system useful for GPU physical memory allocation. nova-core will use it for physical memory allocation. Cc: Nikola Djukic <ndjukic@nvidia.com> Signed-off-by: Joel Fernandes <joelagnelf@nvidia.com> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Link: https://patch.msgid.link/20260320045711.43494-2-joelagnelf@nvidia.com [ * Use doc-comments for GpuBuddyAllocMode methods and GpuBuddyGuard, * Fix comma splice in GpuBuddyParams::chunk_size doc-comment, * Remove redundant summary in GpuBuddy::new doc-comment, * Drop Rust helper for gpu_buddy_block_size(). - Danilo ] Signed-off-by: Danilo Krummrich <dakr@kernel.org> 
Add safe Rust abstractions over the Linux kernel's GPU buddy
allocator for physical memory management. The GPU buddy allocator
implements a binary buddy system useful for GPU physical memory
allocation. nova-core will use it for physical memory allocation.

Cc: Nikola Djukic <ndjukic@nvidia.com>
Signed-off-by: Joel Fernandes <joelagnelf@nvidia.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Link: https://patch.msgid.link/20260320045711.43494-2-joelagnelf@nvidia.com
[ * Use doc-comments for GpuBuddyAllocMode methods and GpuBuddyGuard,
  * Fix comma splice in GpuBuddyParams::chunk_size doc-comment,
  * Remove redundant summary in GpuBuddy::new doc-comment,
  * Drop Rust helper for gpu_buddy_block_size().

    - Danilo ]
Signed-off-by: Danilo Krummrich <dakr@kernel.org>