Re: [PATCH 2.6.24] mm: BadRAM support for broken memory

H. Peter Anvin
2008-03-08T10:35:44Z

KOSAKI Motohiro wrote:
> Hi!
>
>> > This is the latest version of the BadRAM patch, which makes it possible to
>> > run Linux on broken memory. The patch supports the use of a lesser grade
>> > of memory, which could be marketed more cheaply and which would thereby
>> > decrease the environmental stress caused by the process of (memory) chip
>> > manufacturing.
>>
>> What is wrong with mem=exactmap?
>
> Agghh,
> I had forgotten that.
>
> you are right, may be.

More importantly:

memmap=<size>$<len>

already allows you to knock arbitrary holes in the memory map.

-hpa