On Tue, Jul 30, 2019 at 12:32:24PM +0000, Jason Gunthorpe wrote: > Does this only impact hmm users, or does migrate.c have a broader > usage? migrate.c really contains two things: the traditional page migration code implementing aops ->migrate semantics, and migrate_vma and its callbacks. The first part is broader, the second part is hmm specific (and should probably have been in a file of its own, given that it is guarded off CONFIG_MIGRATE_VMA_HELPER). This series only touched the latter part.
