Re: [RFC] Support volatile range for anon vma

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On Fri, 26 Oct 2012, Minchan Kim wrote:

> I guess it would improve system performance very well.
> But as I wrote down in description, downside of the patch is that we have to
> age anon lru although we don't have swap. But gain via the patch is bigger than
> loss via aging of anon lru when memory pressure happens. I don't see other downside
> other than it. What do you think about it?
> (I didn't implement anon lru aging in case of no-swap but it's trivial
> once we decide)


I am a bit confused like some of the others as to why this patch is
necessary since we already have DONT_NEED.

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