Re: [patch 0/6] Guest page hinting version 7.

[Hugh Dickins]

On Thu, 2 Apr 2009, Martin Schwidefsky wrote:
> On Thu, 2 Apr 2009 22:32:00 +1100
> Nick Piggin <nickpiggin@xxxxxxxxxxxx> wrote:
> 
> > I still think this needs much more justification.
>  
> Ok, I can understand that. We probably need a KVM based version to show
> that benefits exist on non-s390 hardware as well.

That would indeed help your cause enormously (I think I made the same
point last time).  All these complex transitions, added to benefit only
an architecture to which few developers have access, asks for trouble -
we mm hackers already get caught out often enough by your
too-well-camouflaged page_test_dirty().

Hugh
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