Hi, All, I have a patch as below to reduce TLB shootdown during page promotion. If not yet, you may consider to backport it to Anolis kernel. b99a342d4f11a5455d999b12f5fee42ab6acaf8c Author: Huang Ying <ying.huang(a)intel.com> AuthorDate: Thu Apr 29 22:57:41 2021 -0700 Commit: Linus Torvalds <torvalds(a)linux-foundation.org> CommitDate: Fri Apr 30 11:20:39 2021 -0700 NUMA balancing: reduce TLB flush via delaying mapping on hint page fault Best Regards, Huang, Ying