[PATCH 2/2] powerpc/strict_rwx: fixup region splitting

[Balbir Singh]

On Wed, 04 Oct 2017 22:14:17 +1100
Michael Ellerman <mpe at ellerman.id.au> wrote:

> Balbir Singh <bsingharora at gmail.com> writes:
> 
> > We were aggressive with splitting regions and missed the case
> > when _stext and __init_begin completely overlap addr and addr+mapping.
> >
> > This patch fixes that case and allows us to keep the largest possible
> > mapping through the overlap. The patch also simplies the check
> > into a function  
> 
> Please do the fix in one patch, which we can backport if necessary, and
> then move it into a function in a separate patch.
> 

I've tried for a while now, although this looks like its touching more
code, this is more elegant. Anything else involves changing the two
if conditions almost identically.

Balbir Singh.