Re: [PATCH 2/4] Add replace_page(), change the mapping of pte fromone page into another

[Izik Eidus]

Christoph Lameter wrote:
> > page migration as far as i saw cant migrate anonymous page into kernel page.
> > if you want we can change page_migration to do that, but i thought you will
> > rather have ksm changes separate.
> >     
>
> What do you mean by kernel page? The kernel can allocate a page and then
> point a user space pte to it. That is how page migration works.
>   
i mean filebacked page (!AnonPage())
ksm need the pte inside the vma to point from anonymous page into 
filebacked page
can migrate.c do it without changes?
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