Here's hoping VMWare"does the right thing" as outlined in the [1] LWN article.<br><br>This has potential impact on OpenSSI as well<br><br><div class="gmail_quote">On Fri, Dec 12, 2008 at 12:19 PM, Brian Pitts <span dir="ltr"><<a href="mailto:brian@polibyte.com">brian@polibyte.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div class="Ih2E3d">On Fri, 2008-12-12 at 09:30 -0500, Ed Landa wrote:<br>
> > I just installed a CentOS 5.2 guest today and did updates. VMware is<br>
> > telling me that the guest is using 25MB. Free on the guest tells me<br>
> > a totally different story.<br>
><br>
> IIRC, vmware actually consolidates identical pages across multiple<br>
> virtual machines. So, if you have an identical libc paged in on 3<br>
> machines, it only stores one copy in memory and references it from each<br>
> of the VMs. There is a stat to account for this, but I've forgotten the<br>
> term.<br>
<br>
</div>Some developers were adding this capability more generically to the<br>
kernel [0], but it appears VMware has patented the idea. [1]<br>
<br>
[0] <a href="http://lwn.net/Articles/306704/" target="_blank">http://lwn.net/Articles/306704/</a><br>
[1] <a href="http://lwn.net/Articles/309155/" target="_blank">http://lwn.net/Articles/309155/</a><br>
<font color="#888888"><br>
-Brian<br>
</font><div><div></div><div class="Wj3C7c"><br>
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</div></div></blockquote></div><br><br clear="all"><br>-- <br>-- <br>James P. Kinney III <br><br>