RE: [RFC PATCH v1 4/4] mm/gup: flag to limit follow_page() to transhuge pages

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> On Wed, Dec 11, 2019 at 09:29:19AM +0000, Mircea CIRJALIU - MELIU wrote:
> > Sometimes the user needs to look up a transhuge page mapped at a given
> address.
> 
> There is no such examples in the current kernel, right?

This is a helper patch for remote mapping main patch.
It helps to establish an exact mirror of another process page table.
And exact also involves huge mappings.

> 
> --
>  Kirill A. Shutemov
> 
> ________________________
> This email was scanned by Bitdefender





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