ttm_tt_swapout   1942 drivers/gpu/drm/ttm/ttm_bo.c 	ret = ttm_tt_swapout(bo->ttm, bo->persistent_swap_storage);
ttm_tt_swapout    230 include/drm/ttm/ttm_tt.h int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage);