git: kernel - Add BUS_DMA_KEEP_PG_OFFSET (x86_64)

[Markus Pfeiffer <profmakx@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 66fe5a06bc2465a3e7a438786ae72ad64af96673
Author: Markus Pfeiffer <markus.pfeiffer@morphism.de>
Date:   Wed Jul 4 13:21:25 2012 +0000

    kernel - Add BUS_DMA_KEEP_PG_OFFSET (x86_64)
    
    Add BUS_DMA_KEEP_PG_OFFSET from FreeBSD in preparation of import of
    FreeBSD's USB stack

Summary of changes:
 sys/platform/pc64/x86_64/busdma_machdep.c |   26 ++++++++++++++++++++++++++
 sys/sys/bus_dma.h                         |    2 +-
 2 files changed, 27 insertions(+), 1 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/66fe5a06bc2465a3e7a438786ae72ad64af96673


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