Re: vm changes from linux-2.6.14 to linux-2.6.15

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On Mon, 2007-05-14 at 20:19 +0100, Hugh Dickins wrote:
> On Thu, 10 May 2007, David Miller wrote:
> > > > We never seemed to reach completion here?
> > > 
> > > Well, I'm waiting for other people comments too... as I said earlier,
> > > I'm not too fan of burrying the update_mmu_cache() inside
> > > ptep_set_access_flags(), but perhaps we could remove the whole logic of
> > > reading the old PTE & comparing it, and instead have
> > > ptep_set_access_flags() do that locally and return to the caller wether
> > > a change occured that requires update_mmu_cache() to be called.
> > > 
> > > That way, archs who don't actually need update_mmu_cache() under some
> > > circumstances will be able to return 0 there.
> > > 
> > > What do you guys thing ?
> > 
> > I think that's a good idea.
> 
> I agree.

Ok, I'll cook a patch today.

Ben.


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