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    SubjectRe: [Xen-devel] Re: [RFC PATCH 0/4] (Take 2): transcendent memory ("tmem") for Linux
    On 07/12/2009 11:39 PM, Dan Magenheimer wrote:
    >> Right, the transient uses of tmem when applied to disk objects
    >> (swap/pagecache) are very similar to disk caches. Which is
    >> why you can
    >> get a very similar effect when caching your virtual disks;
    >> this can be
    >> done without any guest modification.
    >>
    >
    > Write-through backing and virtual disk cacheing offer a
    > similar effect, but it is far from the same.
    >

    Can you explain how it differs for the swap case? Maybe I don't
    understand how tmem preswap works.

    --
    I have a truly marvellous patch that fixes the bug which this
    signature is too narrow to contain.



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