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 >> > > . > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>