tree 0efd20fa750dc2caf479fd0164493d5b50653413
parent 03fc2da63b9a33dce784a2075c7e068bb97cbf69
author Dan Williams <dan.j.williams@intel.com> 1453484608 -0800
committer Dan Williams <dan.j.williams@intel.com> 1454260219 -0800

phys_to_pfn_t: use phys_addr_t

A dma_addr_t is potentially smaller than a phys_addr_t on some archs.
Don't truncate the address when doing the pfn conversion.

Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Reported-by: Matthew Wilcox <willy@linux.intel.com>
[willy: fix pfn_t_to_phys as well]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>