On Mon Mar 9, 2026 at 2:53 PM CET, Joel Fernandes wrote: > 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. > > Christian Koenig mentioned he'd like to step down from reviewer role for > GPU buddy so updated accordingly. Arun/Matthew agree on the modified entry. > > Cc: Nikola Djukic <[email protected]> > Signed-off-by: Joel Fernandes <[email protected]> > --- > MAINTAINERS | 6 +- > rust/bindings/bindings_helper.h | 11 + > rust/helpers/gpu.c | 23 ++ > rust/helpers/helpers.c | 1 + > rust/kernel/gpu/buddy.rs | 611 ++++++++++++++++++++++++++++++++ > rust/kernel/gpu/mod.rs | 5 + > rust/kernel/lib.rs | 2 + > 7 files changed, 658 insertions(+), 1 deletion(-) > create mode 100644 rust/helpers/gpu.c > create mode 100644 rust/kernel/gpu/buddy.rs > create mode 100644 rust/kernel/gpu/mod.rs > > diff --git a/MAINTAINERS b/MAINTAINERS > index 4c66f8261ff2..b2600dd05fc2 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -8513,7 +8513,9 @@ T: git > https://gitlab.freedesktop.org/drm/rust/kernel.git > F: drivers/gpu/drm/nova/ > F: drivers/gpu/drm/tyr/ > F: drivers/gpu/nova-core/ > +F: rust/helpers/gpu.c > F: rust/kernel/drm/ > +F: rust/kernel/gpu/ > > DRM DRIVERS FOR ALLWINNER A10 > M: Chen-Yu Tsai <[email protected]> > @@ -8926,7 +8928,7 @@ F: include/drm/ttm/ > GPU BUDDY ALLOCATOR > M: Matthew Auld <[email protected]> > M: Arun Pravin <[email protected]> > -R: Christian Koenig <[email protected]>
This should really be a separate patch as it is unrelated to the addition of the Rust GPU buddy code. > +R: Joel Fernandes <[email protected]> > L: [email protected] > S: Maintained > T: git https://gitlab.freedesktop.org/drm/misc/kernel.git > @@ -8935,6 +8937,8 @@ F: drivers/gpu/buddy.c > F: drivers/gpu/tests/gpu_buddy_test.c > F: include/linux/gpu_buddy.h > F: include/drm/drm_buddy.h > +F: rust/helpers/gpu.c > +F: rust/kernel/gpu/
