> > I'm confused about the "overlap with crashkernel memory", does that mean
> > those normal kernel used memory could be put in crashkernel reserved
> > memory range?  If so why can't just skip those areas while crashkernel
> > doing the reservation?
> I raised the same question in another mail. As Hari's answer, "kexec -p"
> skips these ranges in user space. And the same logic should be done in
> "kexec -s -p"

See it, thanks!  The confusion also applied to the userspace
implementation though.  Seems they have to be special cases because of 
the powerpc crashkernel reservation implemtation in kernel limitation


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