[Crash-utility] [PATCH v1] arm64: fix kernel memory map handling for kaslr-enabled

[Dave Anderson]

----- Original Message -----
> > > 
> > > Now that PHYS_OFFSET is defined as "memstart_addr",  we can get the value
> > > if we can access this symbol (on a live system).
> > 
> > When PHYS_OFFSET/memstart_addr is bumped up from the actual base of  physical
> > memory, is the physical memory below it no longer used/accessible?
> 
> Yes, it is! That is what Ard has managed to do in his series of
> KASLR-related patches.

How is it accessed via a kernel virtual address?  Or is only accessible when
mapped into a vmalloc() or user-space address?

Dave