> > >
> > > [1].
> > > https://lore.kernel.org/all/20250514070820.51793-1-21cnbao@gmail.com
> > > /
> > >
> >
> > Thanks
> > Barry
> 
> Since the semantic gap between user/kernel space will always exist.
> It would be great benefits for leaving some APIs for user hints, just like
> mmadvise/userfault/para-virtualization.
> Exposing such hints to the kernel can help improve overall system
> performance.
> 
> Best,
> Zicheng

More precisely, it’s a form of *proactive scanning and aging*.

Ensure a more even generational distribution between file and anonymous pages.

Best,
Zicheng