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 ? 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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