On Mon, 18 Feb 2002, Linus Torvalds wrote:
> We can, of course, introduce a "pmd-rmap" thing, with a pointer to a
> circular list of all mm's using that pmd inside the "struct page *" of the
> pmd.
Isn't that information basically already available via
vma->vm_(pprev|next)_share?
bye, Roman
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