tree 5009928b331227e677e0831fba729dadb2a7a874
parent eb072a7996467937a1582d0188ed082768902a5a
author Sebastian Ott <sebott@linux.vnet.ibm.com> 1377801110 +0200
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1377845844 +0200

s390/pci: use virtual memory for iommu bitmap

The bitmap used to mark dma mappings can be quite large on systems
with huge amounts of memory. Use virtual memory for this bitmap.

Suggested-by: Alexander Schmidt <alexschm@de.ibm.com>
Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>