On Mon 10-07-17 12:25:42, Jerome Glisse wrote: [...] > Bottom line is that we can always free and uncharge device memory > page just like any regular page. OK, this answers my earlier question. Then it should be feasible to charge this memory. There are still some things to handle. E.g. how do we consider this memory during oom victim selection (this is not accounted as an anonymous memory in get_mm_counter, right?), maybe others. But the primary point is that nobody pins the memory outside of the mapping. -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
