Re: [PATCH v2 0/5] Add movablecore_map boot option

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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>


[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]