Re: How to identify cow (copy-on-write) pages during kernel execution?

[Carsten Otte]

On 6/20/05, Mauricio Lin <mauriciolin@xxxxxxxxx> wrote:
> So the only way to identify copy-on-write pages is when page fault
> related to copy-on-write happens, right? I mean in the
> handle_pte_fault() that calls do_wp_page().
That shows you at the time of copy, and at a given time later you can
also walk the mm and look that the pte's to see if they are writable.
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