[RFC v5 36/38] selftest: PowerPC specific test updates to memory protection keys

[Dave Hansen]

On 07/05/2017 02:22 PM, Ram Pai wrote:
> Abstracted out the arch specific code into the header file, and
> added powerpc specific changes.
> 
> a) added 4k-backed hpte, memory allocator, powerpc specific.
> b) added three test case where the key is associated after the page is
> 	accessed/allocated/mapped.
> c) cleaned up the code to make checkpatch.pl happy

There's a *lot* of churn here.  If it breaks, I'm going to have a heck
of a time figuring out which hunk broke.  Is there any way to break this
up into a series of things that we have a chance at bisecting?