Michal Hocko <mho...@kernel.org> writes: > On Wed 25-07-18 13:11:15, John Allen wrote: > [...] >> Does a failure in do_migrate_range indicate that the range is unmigratable >> and the loop in __offline_pages should terminate and goto failed_removal? Or >> should we allow a certain number of retrys before we >> give up on migrating the range? > > Unfortunatelly not. Migration code doesn't tell a difference between > ephemeral and permanent failures.
What's to stop an ephemeral failure happening repeatedly? cheers