NVIF_IOCTL_V0_NTFY_DEL 343 drivers/gpu/drm/nouveau/nouveau_usif.c case NVIF_IOCTL_V0_NTFY_DEL: NVIF_IOCTL_V0_NTFY_DEL 152 drivers/gpu/drm/nouveau/nvif/notify.c .ioctl.type = NVIF_IOCTL_V0_NTFY_DEL,