On Thu, Nov 10, 2011 at 8:17 AM, Kai Huang [off-list ref] wrote:

Seems the unmap function don't take phys as parameter, does this mean
domain->ops->unmap will walk through the page table to find out the
actual page size?

The short answer is yes, and furthermore, we also consider to remove
the size param from domain->ops->unmap entirely at some point.

We had a long discussion about it, please see:

https://lkml.org/lkml/2011/10/10/234