Re: [patch 5/5] Optimize page_mkclean_one

[Peter Zijlstra <peterz@infradead.org>]

On Sun, 2007-07-01 at 09:54 +0100, Hugh Dickins wrote:

> But I could easily be overlooking something: Peter will recall.

/me tries to get his brain up to speed after the OLS closing party :-)

I did both pte_dirty and pte_write because I was extra careful. One
_should_ imply the other, but since we'll be clearing both, I thought it
prudent to also check both.

I will have to think on this a little more, but I'm currently of the
opinion that the optimisation is not correct. But I'll have a thorough
look at s390 again when I get home.

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