On Thu, Jul 03, 2003 at 11:54:31AM -0700, William Lee Irwin III wrote:
>> I call that application #2.
On Thu, Jul 03, 2003 at 09:33:28PM +0200, Andrea Arcangeli wrote:
> maybe I'm missing something but protections have nothing to do with
> remap_file_pages IMHO. That's all about teaching the swap code to
> reserve more bits in the swap entry and to store the protections there
> and possibly teaching the page fault not to get confused. It might
> prefer to use the populate callback too to avoid specializing the
> pte_none case, but I think the syscall should be different, and it
> shouldn't have anything to do with the nonlinearity (nor with rmap).
It's obvious what to do about protections.
-- wli
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