tree 801c230f291d36db2f86404a91c1443bf6636f56
parent 1b548f667c1487d92e794a9f7a67788f49b952d8
author Jeremy Fitzhardinge <jeremy@goop.org> 1229458653 -0800
committer Ingo Molnar <mingo@elte.hu> 1229536695 +0100

swiotlb: support bouncing of HighMem pages

Impact: prepare the swiotlb code for HighMem struct pages

This requires us to treat DMA regions in terms of page+offset rather
than virtual addressing since a HighMem page may not have a mapping.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>