On 2022-07-12 13:22:34 [+0200], David Oberhollenzer wrote: > This is a backport of Sebastian's MEMCG changes to v5.15. With these > patches applied, it is possible to use memory cgroups together > with PREEMPT_RT on v5.15, just like on v5.17. This isn't the series that was merged upstream: | 0001-mm-memcg-Revert-mm-memcg-optimize-user-context-objec.patch | 0002-mm-memcg-Disable-threshold-event-handlers-on-PREEMPT.patch | 0003-mm-memcg-Protect-per-CPU-counter-by-disabling-preemp.patch | 0004-mm-memcg-Opencode-the-inner-part-of-obj_cgroup_uncha.patch | 0005-mm-memcg-Protect-memcg_stock-with-a-local_lock_t.patch | 0006-mm-memcg-Disable-migration-instead-of-preemption-in-.patch | 0007-mm-memcg-Add-missing-counter-index-which-are-not-upd.patch | 0008-mm-memcg-Add-a-comment-regarding-the-release-obj.patch | mm-memcg-Only-perform-the-debug-checks-on-PREEMPT_RT.patch any reason why not backport those? Sebastian