On Thu, 2007-06-14 at 11:16 -0500, Serge E. Hallyn wrote:
> Another thing this will need is a way to create a very quick
> copy-on-write copy of the swapfile after the checkpoint.  Is
> that simple enough to do? 

We could do one of a couple of things.  First, we don't need an entire
copy of it, we just need to stop writing to it.  We could just switch
over really fast to another swapfile.

Or, we could do checkpointing using one of the existing mechanisms for
taking snapshots of filesystems.

-- Dave

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