While hunting an issue in swiotlb-xen I stumbled over a wrong test
and found some areas for improvement.

Juergen Gross (3):
  xen/swiotlb: fix condition for calling xen_destroy_contiguous_region()
  xen/swiotlb: simplify range_straddles_page_boundary()
  xen/swiotlb: remember having called xen_create_contiguous_region()

 drivers/xen/swiotlb-xen.c  | 34 ++++++++++------------------------
 include/linux/page-flags.h |  4 ++++
 2 files changed, 14 insertions(+), 24 deletions(-)

-- 
2.16.4


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