On Mon, Jun 13, 2022 at 12:19:50PM -1000, Tejun Heo wrote: > Each cset (css_set) is pinned by its tasks. When we're moving tasks around > across csets for a migration, we need to hold the source and destination > csets to ensure that they don't go away while we're moving tasks about. This > is done by linking cset->mg_preload_node on either the > mgctx->preloaded_dst_csets or mgctx->preloaded_dst_csets list. Using the > same cset->mg_preload_node for both the src and dst lists was deemed okay as > a cset can't be both the source and destination at the same time. Applied to cgroup/for-5.19-fixes w/ patch description fixed. Thanks. -- tejun
