On Wed, Nov 23, 2022 at 02:03:58PM +0800, Kemeng Shi wrote: > static bool throtl_hierarchy_can_downgrade(struct throtl_grp *tg) > { > + if (time_before(now, tg->td->low_upgrade_time + td->throtl_slice)) > + return false; Does this even build? Where is td defined? -- tejun