arch/um/include/shared/os.h
drivers/gpu/drm/nouveau/include/nvif/os.h
drivers/gpu/drm/nouveau/include/nvkm/core/os.h
drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/os.h
drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/os.h