Hi Suren, On Tue, 19 Mar 2019 16:56:13 -0700 Suren Baghdasaryan <surenb@xxxxxxxxxx> 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@xxxxxxxxxx > Signed-off-by: Suren Baghdasaryan <surenb@xxxxxxxxxx> > Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx> > Cc: Dennis Zhou <dennis@xxxxxxxxxx> > Cc: Ingo Molnar <mingo@xxxxxxxxxx> > Cc: Jens Axboe <axboe@xxxxxxxxx> > Cc: Li Zefan <lizefan@xxxxxxxxxx> > Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > Cc: Tejun Heo <tj@xxxxxxxxxx> > Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> 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
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