Re: [Xen-users] Transcendent Memory ("tmem") -capable kernel now publicly released

[eva <evammg@xxxxxxxxx>]

On 25 March 2012 07:46, Joseph Glanville <joseph.glanville@xxxxxxxxxxxxxx> wrote:

On 23 March 2012 04:22, Dan Magenheimer <dan.magenheimer@xxxxxxxxxx> wrote:
> Transcendent Memory ("tmem") [1] is a new approach to optimizing RAM utilization
> in a virtualized (and, in some cases, a physical) environment
>
> Support for tmem has been in the Xen hypervisor since the 4.0 release, but
> the tmem protocols require cooperation between the hypervisor and guest
> OS kernel.  While the guest-side kernel changes are relatively simple
> and non-intrusive, getting any new technology into any operating system
> can be, shall we say, challenging... :-)  BUT...
>
> Last week, Oracle released "Oracle Unbreakable Enterprise Kernel Release 2",
> the first publicly-available fully-supported[2] Linux kernel implementing all
> Xen-guest-side capabilities for tmem, including "cleancache" (ephemeral tmem
> pools), "frontswap" (persistent tmem pools), and in-kernel support for
> "self-ballooning".
>
> So now, finally, it should be easy to give tmem a try!

Dan,

Thanks so much. This is great news. I just wanted to know what kind of license does it have. Is it open source..or..? --Thank  you 

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