[PATCH 0/2 -mm] kexec based hibernation -v5

[david at lang.hm]

On Fri, 19 Oct 2007, Phillip Susi wrote:

> Huang, Ying wrote:
>> 
>> 
>> The restore process with the patch set is as follow:
>> 
>> 1. Boot a kernel C (crash dump enabled), the memory area used by
>>    kernel C must be a subset of memory area used by kernel B.
>
> Why is a third kernel needed?  Why can't kernel B be used for this as well? 
> In fact, if kernel A has been compiled to be relocatable and crash dump 
> enabled, why wouldn't it suffice for all 3 instances?

you could use one kernel for all three, or you could use three different 
kernels, and three different sets of userspace if it's appropriate.

David Lang