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

• To: Mauricio Lin <[email protected]>
• Subject: Re: How to identify cow (copy-on-write) pages during kernel execution?
• From: Carsten Otte <[email protected]>
• Date: Mon, 20 Jun 2005 13:35:33 +0200
• Cc: [email protected]
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• In-reply-to: <[email protected]>
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• Reply-to: Carsten Otte <[email protected]>
• Sender: [email protected]

On 6/20/05, Mauricio Lin <[email protected]> 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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• References:
  • How to identify cow (copy-on-write) pages during kernel execution?
    • From: Mauricio Lin <[email protected]>
  • Re: How to identify cow (copy-on-write) pages during kernel execution?
    • From: Carsten Otte <[email protected]>
  • Re: How to identify cow (copy-on-write) pages during kernel execution?
    • From: Mauricio Lin <[email protected]>

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