kfd_ioctl_free_memory_of_gpu_args 1332 drivers/gpu/drm/amd/amdkfd/kfd_chardev.c struct kfd_ioctl_free_memory_of_gpu_args *args = data; kfd_ioctl_free_memory_of_gpu_args 512 include/uapi/linux/kfd_ioctl.h AMDKFD_IOW(0x17, struct kfd_ioctl_free_memory_of_gpu_args)