[PATCH -V7 09/18] powerpc: Switch 16GB and 16MB explicit hugepages to a different page table format

[Scott Wood]

On 06/08/2013 11:57:48 AM, Aneesh Kumar K.V wrote:
> With the config shared I am not finding anything wrong, but I can't  
> test
> these configs. Also can you confirm what you bisect this to
> 
> e2b3d202d1dba8f3546ed28224ce485bc50010be
> powerpc: Switch 16GB and 16MB explicit hugepages to a different page  
> table format

> 
> or
> 
> cf9427b85e90bb1ff90e2397ff419691d983c68b "powerpc: New hugepage  
> directory format"

It's e2b3d202d1dba8f3546ed28224ce485bc50010be.

It turned out to be the change from "pmd_none" to  
"pmd_none_or_clear_bad".  Making that change triggers the "bad pmd"  
messages even when applied to v3.9 -- so we had bad pmds all along,  
undetected.  Now I get to figure out why. :-(

-Scott