On 1/21/2023 3:41 AM, Vishal Moola wrote: > My understanding of the purpose of this check is to avoid migrating > pages shared with other processes. Meaning if a folio (or any pages > within) are mapped to different processes we would want to skip that > folio. This is my understanding also. But check whether a large file folio is mapped to different process is not very direct. Thanks. Regards Yin, Fengwei