On Fri, Aug 13, 2021 at 01:31:42AM -0500, Alex Sierra wrote: > migrate.vma = vma; > migrate.start = start; > migrate.end = end; > - migrate.flags = MIGRATE_VMA_SELECT_DEVICE_PRIVATE; > migrate.pgmap_owner = SVM_ADEV_PGMAP_OWNER(adev); > > + if (adev->gmc.xgmi.connected_to_cpu) > + migrate.flags = MIGRATE_VMA_SELECT_SYSTEM; > + else > + migrate.flags = MIGRATE_VMA_SELECT_DEVICE_PRIVATE; It's been a while since I touched this migrate code, but doesn't this mean that if the range already contains system memory the migration now won't do anything? for the connected_to_cpu case?