On Sun, 3 Jul 2022 17:31:09 -0600 Yu Zhao <yuzhao@xxxxxxxxxx> wrote: > > > This series adjusts the locking. A spinlock is added to struct > > > per_cpu_pages to protect the list contents while local_lock_irq is > > > ultimately replaced by just the spinlock in the final patch. This allows > > > a remote CPU to safely. Follow-on work should allow the spin_lock_irqsave > > > to be converted to spin_lock to avoid IRQs being disabled/enabled in > > > most cases. The follow-on patch will be one kernel release later as it > > > is relatively high risk and it'll make bisections more clear if there > > > are any problems. > > > > I plan to move this and Mel's fix to [7/7] into mm-stable around July 8. > > I've thrown it together with the Maple Tree and passed a series of stress tests. Cool, thanks. I added your Tested-by: to everything.
