On Fri, Nov 18, 2022 at 01:08:13AM -0800, Hugh Dickins wrote: > Linus was underwhelmed by the earlier compound mapcounts series: > this series builds on top of it (as in next-20221117) to follow > up on his suggestions - except rmap.c still using lock_page_memcg(), > since I hesitate to steal the pleasure of deletion from Johannes. > Is there a plan to remove lock_page_memcg() altogether which I missed? I am planning to make lock_page_memcg() a nop for cgroup-v2 (as it shows up in the perf profile on exit path) but if we are removing it then I should just wait.