On Tue, 13 Aug 2013, Minchan Kim wrote: > VM sometime want to migrate and/or reclaim pages for CMA, memory-hotplug, > THP and so on but at the moment, it could handle only userspace pages > so if above example subsystem have pinned a some page in a range VM want > to migrate, migration is failed so above exmaple couldn't work well.
Dont we have the mmu_notifiers that could help in that case? You could get a callback which could prepare the pages for migration? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/