Messages in this thread | | | Date | Fri, 6 Apr 2012 10:19:19 +0800 | Subject | Some questions about high memory | From | loody <> |
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hi all: I am trying to write a driver for my block device which dma support high memory copying. I have register my device as "blk_bounce_any". But my driver cannot see block layer pass high memory to me so far.
Is there any user/kernel test program which will purposely send high memory for driver to use? or is there any flag when opening a file in user mode that will use high memory?
-- Thanks for your help in advance,
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