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

Hello Mahesh, Dave, I am no expert on memory management, but... Mahesh Jagannath Salgaonkar <mahesh(a)linux.vnet.ibm.com&gt; wrote on 12/22/2011 10:06:43: > > 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. On s390x CONFIG_SPARSEMEM, CONFIG_SPARSEMEM_EXTREME, and SPARSEMEM_VMEMMAP is always enabled.