Indeed, but mapping kernel provided pages into a user app is.
> 2. As I understand, there's a new "kiobuf mechanism" being added in
> 2.3.xx .
> Does that provide a solution to this particular issue?
It provides the basis. A patch providing this functionality is available
as a 2.2 add on and is in 2.2. ac
> 3. Alternatively, can I directly manipulate the PG_locked flag for the
> pages in question?
Unknown. 8)
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