[Crash-utility] [PATCH] Crash-Utility: s390x: Auto-detect the correct MAX_PHYSMEM_BITS used in vmcore being analyzed.

[Mahesh Jagannath Salgaonkar]

On 12/21/2011 10:28 PM, Dave Anderson wrote:
> 
> And complicating matters even further, your patch presumes that the
> kernel has configured CONFIG_SPARSEMEM_EXTREME in conjunction with 
> CONFIG_SPARSEMEM.  Would it be possible for an s390x to be configured
> with just CONFIG_SPARSEMEM alone? 

Not sure. I have never tried building s390x kernel configured with just
CONFIG_SPARSEMEM alone.

> If so, your patch breaks down.
> 
> Or is there another way you can determine which MAX_PHYSMEM_BITS value
> is in use?

This value is a #define constant and I dont see any kernel symbol
holding this value which could have been easy way to determine this value.

Thanks,
-Mahesh.