Messages in this thread | | | Date | Wed, 28 Nov 2012 12:53:59 +0800 | From | Jianguo Wu <> | Subject | Re: [PATCH v2 0/5] Add movablecore_map boot option |
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On 2012/11/28 11:47, Tang Chen wrote:
> On 11/27/2012 11:10 AM, wujianguo wrote: >> >> Hi Tang, >> DMA address can't be set as movable, if some one boot kernel with >> movablecore_map=4G@0xa00000 or other memory region that contains DMA address, >> system maybe boot failed. Should this case be handled or mentioned >> in the change log and kernel-parameters.txt? > > Hi Wu, > > I think we can use MAX_DMA_PFN and MAX_DMA32_PFN to prevent setting DMA > address as movable. Just ignore the address lower than them, and set > the rest as movable. How do you think ? >
I think it's OK for now.
> And, since we cannot figure out the minimum of memory kernel needs, I > think for now, we can just add some warning into kernel-parameters.txt. > > Thanks. :) > >> >> Thanks, >> Jianguo Wu >> > > . >
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