Re: [Xen-devel] copy on write memory

[Adam Heath <doogie@xxxxxxxxxxxxx>]

On Tue, 16 Nov 2004, Peri Hankey wrote:

> Certainly, UML is best known for copy on write filesystems. But UML's
> SKAS mode is a different way of managing memory, and that was the
> starting point for this proposal, which is about using the copy on write
> semantics of Linux memory management to share memory pages between Xen
> domains. I see now that one person's starting point may prove to be
> another's red herring.

SKAS does *not* do COW for shared memory.  That's completely separate.

You're thinking of mmap access for ubd, and for hostfs.


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