Matthew Dillon <dil...@apollo.backplane.com> wrote:
>
>    One solution would be to map clean R+W pages RO and force a write fault
>    to occur, allowing the system to recognize that there are too many dirty
>    pages in vm_fault before it is too late and flush some of them.  The
>    downside of this is that, of course, we take unnecessary faults.

Surely they aren't unnecessary faults if they are required for correctness?

Tony.
-- 
f.a.n.finch    d...@dotat.at    f...@demon.net    e pluribus unix


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