On Wed, Jul 27, 2022 at 07:28:37PM +0800, Chengming Zhou wrote: > On 2022/7/26 02:26, Johannes Weiner wrote: > > I think we can remove the NR_CPU task count, which frees up one > > u32. Something like the below diff should work (untested!) > > Hi, I tested ok, would you mind if I put this patch in this series? > > Subject: [PATCH] sched/psi: remove NR_ONCPU task accounting > > We put all fields updated by the scheduler in the first cacheline of > struct psi_group_cpu for performance. > > Since we want add another PSI_IRQ_FULL to track IRQ/SOFTIRQ pressure, > we need to reclaim space first. This patch remove NR_ONCPU task accounting > in struct psi_group_cpu, use TSK_ONCPU in state_mask to track instead. Thanks for testing it, that sounds good. > Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> > Reviewed-by: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx> > Tested-by: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx> Since you're handling the patch, you need to add your own Signed-off-by: as well. And keep From: Johannes (git commit --author). Thanks!
