Re: [PATCH] powerpc/mm/hugetlb: Filter out hugepage size not supported by page table layout

On Mon, 2017-02-20 at 09:02 +0530, Aneesh Kumar K.V wrote:

To avoid crashes like the one reported in the commit message due to 
buggy firmware ? 

I don't want Linux to make those assumptions. We should fix the FW.

Think of backward compat for example.

Also
It can serve as an easy way to understand what hugepage sizes are 
supported by different platforms.
I am yet to figure out what the FSL_BOOK3E and PPC_8xx #ifdef above
that 
hunk is all about. Having
the supported hugepage size clearly verified against makes it easy ?

-aneesh