On Mon, 2009-11-02 at 23:45 +0000, Hugh Dickins wrote:

quoted

IE. update_mmu_cache() would be more generally useful if it took the
ptep instead of the pte. Of course, I'm sure some embedded archs are
going to cry for the added load here ... 

I like your idea. I'll look into doing a patch converting it and

will

quoted

post it here.

Well, I wasn't proposing

                update_mmu_cache(vma, address, ptep);
but
                update_mmu_cache(vma, address, *ptep);

which may not meet your future idea, but is much less churn for now
i.e. no change to any of the arch's update_mmu_cache(),
just a change to some of its callsites. 

I see... but if we go that way, I think we may as well do the whole
churn... I'll have a look at how bad it is.

Cheers,
Ben.