On 04/05/23 08:23, Peter Zijlstra wrote: > On Wed, May 03, 2023 at 09:22:27AM +0200, Juri Lelli wrote: > > From: Dietmar Eggemann <dietmar.eggemann@xxxxxxx> > > > > Rework the existing dl_cpu_busy() interface which offers DL BW overflow > > checking and per-task DL BW allocation. > > > > Add dl_bw_free() as an interface to be able to free DL BW. > > It will be used to allow freeing of the DL BW request done during > > cpuset_can_attach() in case multiple controllers are attached to the > > cgroup next to the cpuset controller and one of the non-cpuset > > can_attach() fails. > > > > dl_bw_alloc() (and dl_bw_free()) now take a `u64 dl_bw` parameter > > instead of `struct task_struct *p` used in dl_cpu_busy(). This allows > > to allocate DL BW for a set of tasks too rater than only for a single > > task. > > > > Changlog fails the 'why' test. > Dietmar, if you could please add (or rework) the 'why' as a reply to this email, I can fold in v3. Thanks!
