On 19/11/16 05:18, Jérôme Glisse wrote: > When a ZONE_DEVICE page refcount reach 1 it means it is free and nobody > is holding a reference on it (only device to which the memory belong do). > Add a callback and call it when that happen so device driver can implement > their own free page management. >
Could you give an example of what their own free page management might look like? Balbir Singh.
