On Mon, Mar 16, 2020 at 06:52:58PM +0100, Christoph Hellwig wrote: > Add a new opaque owner field to struct dev_pagemap, which will allow > the hmm and migrate_vma code to identify who owns ZONE_DEVICE memory, > and refuse to work on mappings not owned by the calling entity. Using a pointer seems like a good solution to me. Is this a bug fix? What is the downside for migrate on pages it doesn't work? I'm not up to speed on migrate.. Jason _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel