ttm_page_alloc_debugfs
{"ttm_page_pool", ttm_page_alloc_debugfs, 0, NULL},
int ttm_page_alloc_debugfs(struct seq_file *m, void *data);
{"ttm_page_pool", ttm_page_alloc_debugfs, 0, NULL},
EXPORT_SYMBOL(ttm_page_alloc_debugfs);