Re: How can we share page cache pages for reflinked files?

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On Tue, 15 Aug 2017, Kirill A. Shutemov wrote:

> > This would also allow the inevitable creeping page struct bloat to get
> > completely out of control.
>
> Nice wish list. Add pony. :)
>
> Any attempt to replace struct page with something more complex will have
> severe performance implications. I'll be glad proved otherwise.

Do we care that much anymore? I have people inserting all sorts of runtime
checks into hotpaths in the name of security.....

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