Hi Suren, On Tue, 19 Mar 2019 16:56:13 -0700 Suren Baghdasaryan wrote: > > The psi monitoring patches will need to determine the same states as > record_times(). To avoid calculating them twice, maintain a state mask > that can be consulted cheaply. Do this in a separate patch to keep the > churn in the main feature patch at a minimum. > > This adds 4-byte state_mask member into psi_group_cpu struct which results > in its first cacheline-aligned part becoming 52 bytes long. Add explicit > values to enumeration element counters that affect psi_group_cpu struct > size. > > Link: http://lkml.kernel.org/r/20190124211518.244221-4-surenb@google.com > Signed-off-by: Suren Baghdasaryan > Acked-by: Johannes Weiner > Cc: Dennis Zhou > Cc: Ingo Molnar > Cc: Jens Axboe > Cc: Li Zefan > Cc: Peter Zijlstra > Cc: Tejun Heo > Signed-off-by: Andrew Morton > Signed-off-by: Stephen Rothwell This last SOB line should not be here ... it is only there on the original patch because I import Andrew's quilt series into linux-next. -- Cheers, Stephen Rothwell