[PATCH] powerpc/mm/hash: Fix the reference bit update when handling hash fault

[Hugh Dickins]

On Tue, 31 May 2016, Hugh Dickins wrote:
> 
> But all my evidence so far is that it is now right: I'll continue
> testing v4.6+fix on a couple of loads until this evening: all is
> well so far.  And then switch to testing v4.5+fix on those loads
> for another day and a half.

I'm glad to confirm: your patch to htab_convert_pte_flags() fixes all
the elusive sigsegv issues I was seeing under load on v4.5 and v4.6.
Thank you!

Hugh