Hi Kairui, On 02/15/25 at 01:57am, Kairui Song wrote: > From: Kairui Song <kasong@xxxxxxxxxxx> > > Slot cache was initially introduced by commit 67afa38e012e ("mm/swap: > add cache for swap slots allocation") to reduce the lock contention > of si->lock. Thanks for adding me in CC. While I got failure to apply this series to the latest mainline kernel, could you tell what is the base commit of this pathcset? Thanks Baoquan